Hello hackers,

I've gathered the following collection of typos and inconsistencies
appeared since 2025-01-01:
aio_worker.c -> method_worker.c

amcheck_lock_relation -> amcheck_lock_relation_and_check

be_key -> be_cancel_key

belonds -> belongs

cann -> can

CheckConstraintFetch -> CheckNNConstraintFetch
(renamed by a379061a2)

COLLID -> COLLOID

coltypemods -> coltypmods

columsn -> column

combinig -> combining

containting -> containing

non-exist datbase -> non-existent database

dead_end -> dead-end
(see a78af0427)

derefefence -> dereference

displyed -> displayed

droping -> dropping

es_eqp_active -> es_epq_active

es_part_prune_result -> es_part_prune_results

ExceDelete -> ExecDelete

excludes-chema -> exclude-schema

it fhe -> if the

GIN_TUPLE_ -> GIN_TUPLE_H

HandleFatalErrors -> HandleFatalError

happend -> reached
(to preserve the line width)

happenning -> happening

HIKEY -> P_HIKEY

IGNORE_CHECKSUM_FAILURE -> PIV_IGNORE_CHECKSUM_FAILURE

InitExecPartitionPruneContext -> InitExecPartitionPruneContexts

inititalization -> initialization

Injection_point -> Injection point

iterm -> item

$log_end -> remove unused variable
(align with src/test/modules/oauth_validator/t/001_server.pl)

looplback -> loopback

mappping -> mapping

MyWorkerId -> MyIoWorkerId

negotation -> negotiation

network-byte-order -> network byte order

parititioned* -> partitioned*

pending_null -> pending_nulls

permanentaly -> permanently

pg_localeconf_free -> pg_localeconv_free

PG_READ_ALL_STATS -> ROLE_PG_READ_ALL_STATS

pk_strategy -> pk_cmptype
(see 8123e91f5)

PM_WAIT_BACKEND -> PM_WAIT_BACKENDS

pollset -> poll set

predicable -> predictable

PRINT_STATS_STDERR -> PRINT_STATS_TO_STDERR

procced -> proceed

remining -> remaining

save_xmin -> saved_xmin

smgstartreadv -> smgrstartreadv

StartLocalBufer -> StartLocalBufferIO

statitistics -> statistics

swaping -> swapping

synq_queue_destroy -> sync_queue_destroy

thats -> that's

ther -> there

test-server -> test server

unfronzen -> unfrozen

upin -> unpin

Please find attached the complete patch for your convenience.

Best regards,
Alexander Lakhin
Neon (https://neon.tech)
diff --git a/contrib/amcheck/verify_common.h b/contrib/amcheck/verify_common.h
index b2565bfbbab..e78adb68808 100644
--- a/contrib/amcheck/verify_common.h
+++ b/contrib/amcheck/verify_common.h
@@ -16,7 +16,7 @@
 #include "utils/relcache.h"
 #include "miscadmin.h"
 
-/* Typedefs for callback functions for amcheck_lock_relation */
+/* Typedefs for callback functions for amcheck_lock_relation_and_check */
 typedef void (*IndexCheckableCallback) (Relation index);
 typedef void (*IndexDoCheckCallback) (Relation rel,
 									  Relation heaprel,
diff --git a/contrib/amcheck/verify_gin.c b/contrib/amcheck/verify_gin.c
index 318fe330518..3629243ed01 100644
--- a/contrib/amcheck/verify_gin.c
+++ b/contrib/amcheck/verify_gin.c
@@ -359,7 +359,7 @@ gin_check_posting_tree_parent_keys_consistency(Relation rel, BlockNumber posting
 				ptr->depth = stack->depth + 1;
 
 				/*
-				 * Set rightmost parent key to invalid iterm pointer. Its
+				 * Set rightmost parent key to invalid item pointer. Its
 				 * value is 'Infinity' and not explicitly stored.
 				 */
 				if (rightlink == InvalidBlockNumber)
@@ -587,7 +587,7 @@ gin_check_parent_keys_consistency(Relation rel,
 
 						/*
 						 * Check if it is properly adjusted. If succeed,
-						 * procced to the next key.
+						 * proceed to the next key.
 						 */
 						if (ginCompareEntries(&state, attnum, current_key,
 											  current_key_category, parent_key,
diff --git a/contrib/pg_buffercache/pg_buffercache_pages.c b/contrib/pg_buffercache/pg_buffercache_pages.c
index e1701bd56ef..6bfb9fb669e 100644
--- a/contrib/pg_buffercache/pg_buffercache_pages.c
+++ b/contrib/pg_buffercache/pg_buffercache_pages.c
@@ -289,7 +289,7 @@ pg_buffercache_pages(PG_FUNCTION_ARGS)
  *
  * Returns NUMA node ID for each memory page used by the buffer. Buffers may
  * be smaller or larger than OS memory pages. For each buffer we return one
- * entry for each memory page used by the buffer (it fhe buffer is smaller,
+ * entry for each memory page used by the buffer (if the buffer is smaller,
  * it only uses a part of one memory page).
  *
  * We expect both sizes (for buffers and memory pages) to be a power-of-2, so
@@ -335,7 +335,7 @@ pg_buffercache_numa_pages(PG_FUNCTION_ARGS)
 		 * how the pages and buffers "align" in memory - the buffers may be
 		 * shifted in some way, using more memory pages than necessary.
 		 *
-		 * So we need to be careful about mappping buffers to memory pages. We
+		 * So we need to be careful about mapping buffers to memory pages. We
 		 * calculate the maximum number of pages a buffer might use, so that
 		 * we allocate enough space for the entries. And then we count the
 		 * actual number of entries as we scan the buffers.
diff --git a/contrib/pg_overexplain/expected/pg_overexplain.out b/contrib/pg_overexplain/expected/pg_overexplain.out
index 28252dbff6c..44120c388af 100644
--- a/contrib/pg_overexplain/expected/pg_overexplain.out
+++ b/contrib/pg_overexplain/expected/pg_overexplain.out
@@ -123,7 +123,7 @@ $$);
  RTI 1 (relation, inherited, in-from-clause):
    Eref: vegetables (id, name, genus)
    Relation: vegetables
-   Relation Kind: parititioned_table
+   Relation Kind: partitioned_table
    Relation Lock Mode: AccessShareLock
    Permission Info Index: 1
  RTI 2 (group):
@@ -250,7 +250,7 @@ $$);
          <In-From-Clause>true</In-From-Clause>                      +
          <Eref>vegetables (id, name, genus)</Eref>                  +
          <Relation>vegetables</Relation>                            +
-         <Relation-Kind>parititioned_table</Relation-Kind>          +
+         <Relation-Kind>partitioned_table</Relation-Kind>           +
          <Relation-Lock-Mode>AccessShareLock</Relation-Lock-Mode>   +
          <Permission-Info-Index>1</Permission-Info-Index>           +
          <Security-Barrier>false</Security-Barrier>                 +
@@ -454,7 +454,7 @@ SELECT * FROM vegetables WHERE genus = 'daucus';
  RTI 1 (relation, inherited, in-from-clause):
    Eref: vegetables (id, name, genus)
    Relation: vegetables
-   Relation Kind: parititioned_table
+   Relation Kind: partitioned_table
    Relation Lock Mode: AccessShareLock
    Permission Info Index: 1
  RTI 2 (relation, in-from-clause):
@@ -478,7 +478,7 @@ INSERT INTO vegetables (name, genus) VALUES ('broccoflower', 'brassica');
  RTI 1 (relation):
    Eref: vegetables (id, name, genus)
    Relation: vegetables
-   Relation Kind: parititioned_table
+   Relation Kind: partitioned_table
    Relation Lock Mode: RowExclusiveLock
    Permission Info Index: 1
  RTI 2 (result):
diff --git a/contrib/pg_overexplain/pg_overexplain.c b/contrib/pg_overexplain/pg_overexplain.c
index f60049f4ba6..de824566f8c 100644
--- a/contrib/pg_overexplain/pg_overexplain.c
+++ b/contrib/pg_overexplain/pg_overexplain.c
@@ -277,7 +277,7 @@ overexplain_per_plan_hook(PlannedStmt *plannedstmt,
  * Print out various details from the PlannedStmt that wouldn't otherwise
  * be displayed.
  *
- * We don't try to print everything here. Information that would be displyed
+ * We don't try to print everything here. Information that would be displayed
  * anyway doesn't need to be printed again here, and things with lots of
  * substructure probably should be printed via separate options, or not at all.
  */
@@ -517,10 +517,10 @@ overexplain_range_table(PlannedStmt *plannedstmt, ExplainState *es)
 				relkind = "foreign_table";
 				break;
 			case RELKIND_PARTITIONED_TABLE:
-				relkind = "parititioned_table";
+				relkind = "partitioned_table";
 				break;
 			case RELKIND_PARTITIONED_INDEX:
-				relkind = "parititioned_index";
+				relkind = "partitioned_index";
 				break;
 			case '\0':
 				relkind = NULL;
@@ -632,7 +632,7 @@ overexplain_range_table(PlannedStmt *plannedstmt, ExplainState *es)
 		}
 
 		/*
-		 * add_rte_to_flat_rtable will clear coltypes, coltypemods, and
+		 * add_rte_to_flat_rtable will clear coltypes, coltypmods, and
 		 * colcollations, so skip those fields.
 		 *
 		 * If this is an ephemeral named relation, print out ENR-related
@@ -675,7 +675,7 @@ overexplain_range_table(PlannedStmt *plannedstmt, ExplainState *es)
  * Emit a text property describing the contents of an Alias.
  *
  * Column lists can be quite long here, so perhaps we should have an option
- * to limit the display length by # of columsn or # of characters, but for
+ * to limit the display length by # of column or # of characters, but for
  * now, just display everything.
  */
 static void
diff --git a/contrib/postgres_fdw/t/001_auth_scram.pl b/contrib/postgres_fdw/t/001_auth_scram.pl
index ba178246eb7..b94a6a6293b 100644
--- a/contrib/postgres_fdw/t/001_auth_scram.pl
+++ b/contrib/postgres_fdw/t/001_auth_scram.pl
@@ -3,7 +3,7 @@
 # Test SCRAM authentication when opening a new connection with a foreign
 # server.
 #
-# The test is executed by testing the SCRAM authentifcation on a looplback
+# The test is executed by testing the SCRAM authentifcation on a loopback
 # connection on the same server and with different servers.
 
 use strict;
diff --git a/doc/src/sgml/ref/pg_dump.sgml b/doc/src/sgml/ref/pg_dump.sgml
index bfc1e7b3524..b757d27ebd0 100644
--- a/doc/src/sgml/ref/pg_dump.sgml
+++ b/doc/src/sgml/ref/pg_dump.sgml
@@ -1315,7 +1315,7 @@ PostgreSQL documentation
          </para>
          <para>
           The data section contains actual table data, large-object
-          contents, statitistics for tables and materialized views and
+          contents, statistics for tables and materialized views and
           sequence values.
           Post-data items include definitions of indexes, triggers, rules,
           statistics for indexes, and constraints other than validated check
diff --git a/doc/src/sgml/regress.sgml b/doc/src/sgml/regress.sgml
index 0e5e8e8f309..bf4ffb30576 100644
--- a/doc/src/sgml/regress.sgml
+++ b/doc/src/sgml/regress.sgml
@@ -353,7 +353,7 @@ make check-world PG_TEST_EXTRA='kerberos ldap ssl load_balance libpq_encryption'
      <listitem>
       <para>
        Runs the test suite under <filename>src/test/modules/oauth_validator</filename>.
-       This opens TCP/IP listen sockets for a test-server running HTTPS.
+       This opens TCP/IP listen sockets for a test server running HTTPS.
       </para>
      </listitem>
     </varlistentry>
diff --git a/src/backend/access/gin/gininsert.c b/src/backend/access/gin/gininsert.c
index cfab93ec30c..a7b7b5996e3 100644
--- a/src/backend/access/gin/gininsert.c
+++ b/src/backend/access/gin/gininsert.c
@@ -167,7 +167,7 @@ typedef struct
 
 	/*
 	 * The sortstate used only within a single worker for the first merge pass
-	 * happenning there. In principle it doesn't need to be part of the build
+	 * happening there. In principle it doesn't need to be part of the build
 	 * state and we could pass it around directly, but it's more convenient
 	 * this way. And it's part of the build state, after all.
 	 */
@@ -1306,7 +1306,7 @@ GinBufferIsEmpty(GinBuffer *buffer)
  * Compare if the tuple matches the already accumulated data in the GIN
  * buffer. Compare scalar fields first, before the actual key.
  *
- * Returns true if the key matches, and the TID belonds to the buffer, or
+ * Returns true if the key matches, and the TID belongs to the buffer, or
  * false if the key does not match.
  */
 static bool
@@ -1497,7 +1497,7 @@ GinBufferStoreTuple(GinBuffer *buffer, GinTuple *tup)
 			buffer->items = repalloc(buffer->items,
 									 (buffer->nitems + tup->nitems) * sizeof(ItemPointerData));
 
-		new = ginMergeItemPointers(&buffer->items[buffer->nfrozen], /* first unfronzen */
+		new = ginMergeItemPointers(&buffer->items[buffer->nfrozen], /* first unfrozen */
 								   (buffer->nitems - buffer->nfrozen),	/* num of unfrozen */
 								   items, tup->nitems, &nnew);
 
@@ -1531,7 +1531,7 @@ GinBufferReset(GinBuffer *buffer)
 		pfree(DatumGetPointer(buffer->key));
 
 	/*
-	 * Not required, but makes it more likely to trigger NULL derefefence if
+	 * Not required, but makes it more likely to trigger NULL dereference if
 	 * using the value incorrectly, etc.
 	 */
 	buffer->key = (Datum) 0;
@@ -1603,7 +1603,7 @@ GinBufferCanAddKey(GinBuffer *buffer, GinTuple *tup)
  *
  * After waiting for all workers to finish, merge the per-worker results into
  * the complete index. The results from each worker are sorted by block number
- * (start of the page range). While combinig the per-worker results we merge
+ * (start of the page range). While combining the per-worker results we merge
  * summaries for the same page range, and also fill-in empty summaries for
  * ranges without any tuples.
  *
diff --git a/src/backend/access/nbtree/nbtsearch.c b/src/backend/access/nbtree/nbtsearch.c
index f69397623df..77264ddeecb 100644
--- a/src/backend/access/nbtree/nbtsearch.c
+++ b/src/backend/access/nbtree/nbtsearch.c
@@ -1792,7 +1792,7 @@ _bt_readpage(IndexScanDesc scan, ScanDirection dir, OffsetNumber offnum,
 
 			truncatt = BTreeTupleGetNAtts(itup, rel);
 			pstate.forcenonrequired = false;
-			pstate.startikey = 0;	/* _bt_set_startikey ignores HIKEY */
+			pstate.startikey = 0;	/* _bt_set_startikey ignores P_HIKEY */
 			_bt_checkkeys(scan, &pstate, arrayKeys, itup, truncatt);
 		}
 
diff --git a/src/backend/access/transam/xlog.c b/src/backend/access/transam/xlog.c
index ec40c0b7c42..2d4c346473b 100644
--- a/src/backend/access/transam/xlog.c
+++ b/src/backend/access/transam/xlog.c
@@ -473,7 +473,7 @@ typedef struct XLogCtlData
 	XLogRecPtr	InitializedFrom;
 
 	/*
-	 * Latest reserved for inititalization page in the cache (last byte
+	 * Latest reserved for initialization page in the cache (last byte
 	 * position + 1).
 	 *
 	 * To change the identity of a buffer, you need to advance
@@ -2221,7 +2221,7 @@ AdvanceXLInsertBuffer(XLogRecPtr upto, TimeLineID tli, bool opportunistic)
 		 *	  m must observe f[k] == false.  Otherwise, it will later attempt
 		 *	  CAS(v, k, k + 1) with success.
 		 * 4. Therefore, corresponding read_barrier() (while j == k) on
-		 *	  process m happend before write_barrier() of process k.  But then
+		 *	  process m reached before write_barrier() of process k.  But then
 		 *	  process k attempts CAS(v, k, k + 1) after process m successfully
 		 *	  incremented v to k, and that CAS operation must succeed.
 		 *	  That leads to a contradiction.  So, there is no such k (k < n)
@@ -2253,7 +2253,7 @@ AdvanceXLInsertBuffer(XLogRecPtr upto, TimeLineID tli, bool opportunistic)
 			if (pg_atomic_read_u64(&XLogCtl->xlblocks[nextidx]) != NewPageEndPtr)
 			{
 				/*
-				 * Page at nextidx wasn't initialized yet, so we cann't move
+				 * Page at nextidx wasn't initialized yet, so we can't move
 				 * InitializedUpto further. It will be moved by backend which
 				 * will initialize nextidx.
 				 */
diff --git a/src/backend/catalog/catalog.c b/src/backend/catalog/catalog.c
index 35ebb0ccda4..60000bd0bc7 100644
--- a/src/backend/catalog/catalog.c
+++ b/src/backend/catalog/catalog.c
@@ -143,7 +143,7 @@ IsCatalogRelationOid(Oid relid)
  *
  *		The relcache must not use these indexes.  Inserting into any UNIQUE
  *		index compares index keys while holding BUFFER_LOCK_EXCLUSIVE.
- *		bttextcmp() can search the COLLID catcache.  Depending on concurrent
+ *		bttextcmp() can search the COLLOID catcache.  Depending on concurrent
  *		invalidation traffic, catcache can reach relcache builds.  A backend
  *		would self-deadlock on LWLocks if the relcache build read the
  *		exclusive-locked buffer.
diff --git a/src/backend/commands/tablecmds.c b/src/backend/commands/tablecmds.c
index 80f689bbbc5..265b1c397fb 100644
--- a/src/backend/commands/tablecmds.c
+++ b/src/backend/commands/tablecmds.c
@@ -11999,7 +11999,7 @@ DropForeignKeyConstraintTriggers(Relation trigrel, Oid conoid, Oid confrelid,
 		if (OidIsValid(confrelid) && trgform->tgrelid != confrelid)
 			continue;
 
-		/* We should be droping trigger related to foreign key constraint */
+		/* We should be dropping trigger related to foreign key constraint */
 		Assert(trgform->tgfoid == F_RI_FKEY_CHECK_INS ||
 			   trgform->tgfoid == F_RI_FKEY_CHECK_UPD ||
 			   trgform->tgfoid == F_RI_FKEY_CASCADE_DEL ||
diff --git a/src/backend/executor/execMain.c b/src/backend/executor/execMain.c
index 2da848970be..7230f968101 100644
--- a/src/backend/executor/execMain.c
+++ b/src/backend/executor/execMain.c
@@ -1861,7 +1861,7 @@ ExecRelCheck(ResultRelInfo *resultRelInfo,
 	MemoryContext oldContext;
 
 	/*
-	 * CheckConstraintFetch let this pass with only a warning, but now we
+	 * CheckNNConstraintFetch let this pass with only a warning, but now we
 	 * should fail rather than possibly failing to enforce an important
 	 * constraint.
 	 */
diff --git a/src/backend/executor/execPartition.c b/src/backend/executor/execPartition.c
index 5a77c253826..9435cc21fe7 100644
--- a/src/backend/executor/execPartition.c
+++ b/src/backend/executor/execPartition.c
@@ -1778,7 +1778,7 @@ adjust_partition_colnos_using_map(List *colnos, AttrMap *attrMap)
  *		Updates the PartitionPruneState found at given part_prune_index in
  *		EState.es_part_prune_states for use during "exec" pruning if required.
  *		Also returns the set of subplans to initialize that would be stored at
- *		part_prune_index in EState.es_part_prune_result by
+ *		part_prune_index in EState.es_part_prune_results by
  *		ExecDoInitialPruning().  Maps in PartitionPruneState are updated to
  *		account for initial pruning possibly having eliminated some of the
  *		subplans.
@@ -2109,7 +2109,7 @@ CreatePartitionPruneState(EState *estate, PartitionPruneInfo *pruneinfo,
 			 */
 			partrel = ExecGetRangeTableRelation(estate, pinfo->rtindex, false);
 
-			/* Remember for InitExecPartitionPruneContext(). */
+			/* Remember for InitExecPartitionPruneContexts(). */
 			pprune->partrel = partrel;
 
 			partkey = RelationGetPartitionKey(partrel);
diff --git a/src/backend/executor/nodeModifyTable.c b/src/backend/executor/nodeModifyTable.c
index 333cbf78343..46d533b7288 100644
--- a/src/backend/executor/nodeModifyTable.c
+++ b/src/backend/executor/nodeModifyTable.c
@@ -1311,7 +1311,7 @@ ExecInsert(ModifyTableContext *context,
 
 			/*
 			 * Convert the OLD tuple to the new partition's format/slot, if
-			 * needed.  Note that ExceDelete() already converted it to the
+			 * needed.  Note that ExecDelete() already converted it to the
 			 * root's partition's format/slot.
 			 */
 			oldSlot = context->cpDeletedSlot;
diff --git a/src/backend/executor/nodeSeqscan.c b/src/backend/executor/nodeSeqscan.c
index 6f9e991eeae..ed35c58c2c3 100644
--- a/src/backend/executor/nodeSeqscan.c
+++ b/src/backend/executor/nodeSeqscan.c
@@ -100,7 +100,7 @@ SeqRecheck(SeqScanState *node, TupleTableSlot *slot)
  *		ExecSeqScan(node)
  *
  *		Scans the relation sequentially and returns the next qualifying
- *		tuple. This variant is used when there is no es_eqp_active, no qual
+ *		tuple. This variant is used when there is no es_epq_active, no qual
  *		and no projection.  Passing const-NULLs for these to ExecScanExtended
  *		allows the compiler to eliminate the additional code that would
  *		ordinarily be required for the evaluation of these.
diff --git a/src/backend/nodes/queryjumblefuncs.c b/src/backend/nodes/queryjumblefuncs.c
index 27fb87d3aaa..d1e82a63f09 100644
--- a/src/backend/nodes/queryjumblefuncs.c
+++ b/src/backend/nodes/queryjumblefuncs.c
@@ -357,7 +357,7 @@ AppendJumble64(JumbleState *jstate, const unsigned char *value)
 
 /*
  * FlushPendingNulls
- *		Incorporate the pending_null value into the jumble buffer.
+ *		Incorporate the pending_nulls value into the jumble buffer.
  *
  * Note: Callers must ensure that there's at least 1 pending NULL.
  */
diff --git a/src/backend/postmaster/postmaster.c b/src/backend/postmaster/postmaster.c
index 17fed96fe20..490f7ce3664 100644
--- a/src/backend/postmaster/postmaster.c
+++ b/src/backend/postmaster/postmaster.c
@@ -2718,7 +2718,7 @@ HandleFatalError(QuitSignalReason reason, bool consider_sigabrt)
 	/*
 	 * Choose the appropriate new state to react to the fatal error. Unless we
 	 * were already in the process of shutting down, we go through
-	 * PM_WAIT_BACKEND. For errors during the shutdown sequence, we directly
+	 * PM_WAIT_BACKENDS. For errors during the shutdown sequence, we directly
 	 * switch to PM_WAIT_DEAD_END.
 	 */
 	switch (pmState)
@@ -3001,7 +3001,7 @@ PostmasterStateMachine(void)
 				/*
 				 * Stop any dead-end children and stop creating new ones.
 				 *
-				 * NB: Similar code exists in HandleFatalErrors(), when the
+				 * NB: Similar code exists in HandleFatalError(), when the
 				 * error happens in pmState > PM_WAIT_BACKENDS.
 				 */
 				UpdatePMState(PM_WAIT_DEAD_END);
@@ -3082,7 +3082,7 @@ PostmasterStateMachine(void)
 	{
 		/*
 		 * PM_WAIT_IO_WORKERS state ends when there's only checkpointer and
-		 * dead_end children left.
+		 * dead-end children left.
 		 */
 		if (io_worker_count == 0)
 		{
diff --git a/src/backend/storage/aio/README.md b/src/backend/storage/aio/README.md
index b00de269ad9..f10b5c7e31e 100644
--- a/src/backend/storage/aio/README.md
+++ b/src/backend/storage/aio/README.md
@@ -103,7 +103,7 @@ pgaio_io_set_handle_data_32(ioh, (uint32 *) buffer, 1);
  *
  * E.g. md.c needs to translate block numbers into offsets in segments.
  *
- * Once the IO handle has been handed off to smgstartreadv(), it may not
+ * Once the IO handle has been handed off to smgrstartreadv(), it may not
  * further be used, as the IO may immediately get executed below
  * smgrstartreadv() and the handle reused for another IO.
  *
diff --git a/src/backend/storage/aio/method_worker.c b/src/backend/storage/aio/method_worker.c
index 8ad17ec1ef7..5ff54f5c82c 100644
--- a/src/backend/storage/aio/method_worker.c
+++ b/src/backend/storage/aio/method_worker.c
@@ -321,7 +321,7 @@ pgaio_worker_die(int code, Datum arg)
 }
 
 /*
- * Register the worker in shared memory, assign MyWorkerId and register a
+ * Register the worker in shared memory, assign MyIoWorkerId and register a
  * shutdown callback to release registration.
  */
 static void
diff --git a/src/backend/storage/buffer/bufmgr.c b/src/backend/storage/buffer/bufmgr.c
index 1f2a9fe9976..fe0ceeadc13 100644
--- a/src/backend/storage/buffer/bufmgr.c
+++ b/src/backend/storage/buffer/bufmgr.c
@@ -4970,7 +4970,7 @@ FlushRelationBuffers(Relation rel)
 				ResourceOwnerEnlarge(CurrentResourceOwner);
 
 				/*
-				 * Pin/upin mostly to make valgrind work, but it also seems
+				 * Pin/unpin mostly to make valgrind work, but it also seems
 				 * like the right thing to do.
 				 */
 				PinLocalBuffer(bufHdr, false);
diff --git a/src/backend/storage/page/bufpage.c b/src/backend/storage/page/bufpage.c
index 82457bacc62..dbb49ed9197 100644
--- a/src/backend/storage/page/bufpage.c
+++ b/src/backend/storage/page/bufpage.c
@@ -88,7 +88,7 @@ PageInit(Page page, Size pageSize, Size specialSize)
  * To allow the caller to report statistics about checksum failures,
  * *checksum_failure_p can be passed in. Note that there may be checksum
  * failures even if this function returns true, due to
- * IGNORE_CHECKSUM_FAILURE.
+ * PIV_IGNORE_CHECKSUM_FAILURE.
  */
 bool
 PageIsVerified(PageData *page, BlockNumber blkno, int flags, bool *checksum_failure_p)
diff --git a/src/backend/utils/adt/mcxtfuncs.c b/src/backend/utils/adt/mcxtfuncs.c
index 254cdd34fba..206b601a52b 100644
--- a/src/backend/utils/adt/mcxtfuncs.c
+++ b/src/backend/utils/adt/mcxtfuncs.c
@@ -323,8 +323,8 @@ pg_log_backend_memory_contexts(PG_FUNCTION_ARGS)
  *		Signal a backend or an auxiliary process to send its memory contexts,
  *		wait for the results and display them.
  *
- * By default, only superusers or users with PG_READ_ALL_STATS are allowed to
- * signal a process to return the memory contexts. This is because allowing
+ * By default, only superusers or users with ROLE_PG_READ_ALL_STATS are allowed
+ * to signal a process to return the memory contexts. This is because allowing
  * any users to issue this request at an unbounded rate would cause lots of
  * requests to be sent, which can lead to denial of service. Additional roles
  * can be permitted with GRANT.
@@ -495,7 +495,7 @@ pg_get_process_memory_contexts(PG_FUNCTION_ARGS)
 			 * statistics are available within the allowed time then display
 			 * previously published statistics if there are any. If no
 			 * previous statistics are available then return NULL.  The timer
-			 * is defined in milliseconds since thats what the condition
+			 * is defined in milliseconds since that's what the condition
 			 * variable sleep uses.
 			 */
 			if (ConditionVariableTimedSleep(&memCxtState[procNumber].memcxt_cv,
diff --git a/src/backend/utils/adt/pg_locale.c b/src/backend/utils/adt/pg_locale.c
index a73aac4f98c..ab6317de5ae 100644
--- a/src/backend/utils/adt/pg_locale.c
+++ b/src/backend/utils/adt/pg_locale.c
@@ -19,7 +19,7 @@
  * immediately.
  *
  * The other categories, LC_MONETARY, LC_NUMERIC, and LC_TIME are
- * permanentaly set to "C", and then we use temporary locale_t
+ * permanently set to "C", and then we use temporary locale_t
  * objects when we need to look up locale data based on the GUCs
  * of the same name.  Information is cached when the GUCs change.
  * The cached information is only used by the formatting functions
diff --git a/src/backend/utils/cache/plancache.c b/src/backend/utils/cache/plancache.c
index 3b681647060..9bcbc4c3e97 100644
--- a/src/backend/utils/cache/plancache.c
+++ b/src/backend/utils/cache/plancache.c
@@ -1271,7 +1271,7 @@ UpdateCachedPlan(CachedPlanSource *plansource, int query_index,
 	/*
 	 * XXX Should this also (re)set the properties of the CachedPlan that are
 	 * set in BuildCachedPlan() after creating the fresh plans such as
-	 * planRoleId, dependsOnRole, and save_xmin?
+	 * planRoleId, dependsOnRole, and saved_xmin?
 	 */
 
 	/*
diff --git a/src/backend/utils/mmgr/mcxt.c b/src/backend/utils/mmgr/mcxt.c
index e9aab36d110..468d0250b2e 100644
--- a/src/backend/utils/mmgr/mcxt.c
+++ b/src/backend/utils/mmgr/mcxt.c
@@ -910,7 +910,7 @@ MemoryContextStatsDetail(MemoryContext context,
  *
  * Print stats for this context if possible, but in any case accumulate counts
  * into *totals (if not NULL). The callers should make sure that print_location
- * is set to PRINT_STATS_STDERR or PRINT_STATS_TO_LOGS or PRINT_STATS_NONE.
+ * is set to PRINT_STATS_TO_STDERR or PRINT_STATS_TO_LOGS or PRINT_STATS_NONE.
  */
 static void
 MemoryContextStatsInternal(MemoryContext context, int level,
diff --git a/src/bin/pg_dump/t/006_pg_dumpall.pl b/src/bin/pg_dump/t/006_pg_dumpall.pl
index d6821c5615f..5acd49f1559 100644
--- a/src/bin/pg_dump/t/006_pg_dumpall.pl
+++ b/src/bin/pg_dump/t/006_pg_dumpall.pl
@@ -384,7 +384,7 @@ $node->command_fails_like(
 		'--format' => 'custom',
 		'-d' => 'dbpq', ],
 	qr/\Qpg_restore: error: could not connect to database "dbpq"\E/,
-	'When non-exist datbase is given with -d option in pg_restore with dump of pg_dumpall');
+	'When non-existent database is given with -d option in pg_restore with dump of pg_dumpall');
 
 $node->stop('fast');
 
diff --git a/src/bin/pg_upgrade/relfilenumber.c b/src/bin/pg_upgrade/relfilenumber.c
index aa205aec51d..79bc474a0bb 100644
--- a/src/bin/pg_upgrade/relfilenumber.c
+++ b/src/bin/pg_upgrade/relfilenumber.c
@@ -36,7 +36,7 @@ static void transfer_relfile(FileNameMap *map, const char *type_suffix, bool vm_
  *
  *     // be sure to sync any remaining files in the queue
  *     sync_queue_sync_all();
- *     synq_queue_destroy();
+ *     sync_queue_destroy();
  */
 
 #define SYNC_QUEUE_MAX_LEN	(1024)
diff --git a/src/bin/pg_upgrade/t/002_pg_upgrade.pl b/src/bin/pg_upgrade/t/002_pg_upgrade.pl
index 78fab48349b..7d82593879d 100644
--- a/src/bin/pg_upgrade/t/002_pg_upgrade.pl
+++ b/src/bin/pg_upgrade/t/002_pg_upgrade.pl
@@ -72,7 +72,7 @@ sub filter_dump
 # adjust_child_columns is passed to adjust_regress_dumpfile() which actually
 # adjusts the dump output.
 #
-# The name of the file containting adjusted dump is returned.
+# The name of the file containing adjusted dump is returned.
 sub get_dump_for_comparison
 {
 	my ($node, $db, $file_prefix, $adjust_child_columns) = @_;
diff --git a/src/bin/psql/common.c b/src/bin/psql/common.c
index 5382a07b74d..21d660a8961 100644
--- a/src/bin/psql/common.c
+++ b/src/bin/psql/common.c
@@ -1459,7 +1459,7 @@ DescribeQuery(const char *query, double *elapsed_msec)
  *
  * If a synchronisation point is found, we can stop discarding results as
  * the pipeline will switch back to a clean state.  If no synchronisation
- * point is available, we need to stop when ther are no more pending
+ * point is available, we need to stop when there are no more pending
  * results, otherwise, calling PQgetResult() would block.
  */
 static PGresult *
diff --git a/src/bin/scripts/t/100_vacuumdb.pl b/src/bin/scripts/t/100_vacuumdb.pl
index bb56b353492..75ac24a7a55 100644
--- a/src/bin/scripts/t/100_vacuumdb.pl
+++ b/src/bin/scripts/t/100_vacuumdb.pl
@@ -197,7 +197,7 @@ $node->command_fails_like(
 		'postgres',
 	],
 	qr/cannot vacuum specific table\(s\) and exclude schema\(s\) at the same time/,
-	'cannot use options --excludes-chema and ---table at the same time');
+	'cannot use options --exclude-schema and ---table at the same time');
 $node->command_fails_like(
 	[
 		'vacuumdb',
diff --git a/src/include/access/gin_tuple.h b/src/include/access/gin_tuple.h
index ce555031335..4a50565960f 100644
--- a/src/include/access/gin_tuple.h
+++ b/src/include/access/gin_tuple.h
@@ -7,8 +7,8 @@
  *	src/include/access/gin.h
  *--------------------------------------------------------------------------
  */
-#ifndef GIN_TUPLE_
-#define GIN_TUPLE_
+#ifndef GIN_TUPLE_H
+#define GIN_TUPLE_H
 
 #include "access/ginblock.h"
 #include "storage/itemptr.h"
diff --git a/src/include/nodes/pathnodes.h b/src/include/nodes/pathnodes.h
index bb678bdcdcd..011e5a811c3 100644
--- a/src/include/nodes/pathnodes.h
+++ b/src/include/nodes/pathnodes.h
@@ -1592,7 +1592,7 @@ typedef struct
  * equivalent and closely-related orderings. (See optimizer/README for more
  * information.)
  *
- * Note: pk_strategy is either COMPARE_LT (for ASC) or COMPARE_GT (for DESC).
+ * Note: pk_cmptype is either COMPARE_LT (for ASC) or COMPARE_GT (for DESC).
  */
 typedef struct PathKey
 {
diff --git a/src/include/storage/aio_subsys.h b/src/include/storage/aio_subsys.h
index 8a8ce87f62a..0cf36bb35da 100644
--- a/src/include/storage/aio_subsys.h
+++ b/src/include/storage/aio_subsys.h
@@ -31,7 +31,7 @@ extern void pgaio_error_cleanup(void);
 extern void AtEOXact_Aio(bool is_commit);
 
 
-/* aio_worker.c */
+/* method_worker.c */
 extern bool pgaio_workers_enabled(void);
 
 #endif							/* AIO_SUBSYS_H */
diff --git a/src/interfaces/libpq/fe-auth-oauth-curl.c b/src/interfaces/libpq/fe-auth-oauth-curl.c
index ddd87dcf02d..c195e00cd28 100644
--- a/src/interfaces/libpq/fe-auth-oauth-curl.c
+++ b/src/interfaces/libpq/fe-auth-oauth-curl.c
@@ -1205,7 +1205,7 @@ register_socket(CURL *curl, curl_socket_t socket, int what, void *ctx,
 	res = epoll_ctl(actx->mux, op, socket, &ev);
 	if (res < 0 && errno == EEXIST)
 	{
-		/* We already had this socket in the pollset. */
+		/* We already had this socket in the poll set. */
 		op = EPOLL_CTL_MOD;
 		res = epoll_ctl(actx->mux, op, socket, &ev);
 	}
diff --git a/src/interfaces/libpq/fe-cancel.c b/src/interfaces/libpq/fe-cancel.c
index e84e64bf2a7..25de2a337c9 100644
--- a/src/interfaces/libpq/fe-cancel.c
+++ b/src/interfaces/libpq/fe-cancel.c
@@ -50,7 +50,7 @@ struct pg_cancel
 									 * retransmits */
 
 	/* Pre-constructed cancel request packet starts here */
-	int32		cancel_pkt_len; /* in network-byte-order */
+	int32		cancel_pkt_len; /* in network byte order */
 	char		cancel_req[FLEXIBLE_ARRAY_MEMBER];	/* CancelRequestPacket */
 };
 
diff --git a/src/interfaces/libpq/fe-connect.c b/src/interfaces/libpq/fe-connect.c
index bd86de53c67..e08b344276f 100644
--- a/src/interfaces/libpq/fe-connect.c
+++ b/src/interfaces/libpq/fe-connect.c
@@ -693,7 +693,7 @@ pqDropServerData(PGconn *conn)
 	conn->oauth_want_retry = false;
 
 	/*
-	 * Cancel connections need to retain their be_pid and be_key across
+	 * Cancel connections need to retain their be_pid and be_cancel_key across
 	 * PQcancelReset invocations, otherwise they would not have access to the
 	 * secret token of the connection they are supposed to cancel.
 	 */
diff --git a/src/interfaces/libpq/fe-protocol3.c b/src/interfaces/libpq/fe-protocol3.c
index d85910f41fc..ca19e654a1c 100644
--- a/src/interfaces/libpq/fe-protocol3.c
+++ b/src/interfaces/libpq/fe-protocol3.c
@@ -1486,7 +1486,7 @@ pqGetNegotiateProtocolVersion3(PGconn *conn)
 	return 0;
 
 eof:
-	libpq_append_conn_error(conn, "received invalid protocol negotation message: message too short");
+	libpq_append_conn_error(conn, "received invalid protocol negotiation message: message too short");
 failure:
 	conn->asyncStatus = PGASYNC_READY;
 	pqSaveErrorResult(conn);
diff --git a/src/port/pg_localeconv_r.c b/src/port/pg_localeconv_r.c
index 938b4f82e12..4554ab84e9b 100644
--- a/src/port/pg_localeconv_r.c
+++ b/src/port/pg_localeconv_r.c
@@ -216,7 +216,7 @@ pg_localeconv_copy_members(struct lconv *dst,
  * implied by the LC_MONETARY or LC_NUMERIC locale name.  On Windows, LC_CTYPE
  * has to match to get sane results.
  *
- * To get predicable results on all platforms, we'll call the underlying
+ * To get predictable results on all platforms, we'll call the underlying
  * routines with LC_ALL set to the appropriate locale for each set of members,
  * and merge the results.  Three members of the resulting object are therefore
  * guaranteed to be encoded with LC_NUMERIC's codeset: "decimal_point",
@@ -224,7 +224,7 @@ pg_localeconv_copy_members(struct lconv *dst,
  * LC_MONETARY's codeset.
  *
  * Returns 0 on success.  Returns non-zero on failure, and sets errno.  On
- * success, the caller is responsible for calling pg_localeconf_free() on the
+ * success, the caller is responsible for calling pg_localeconv_free() on the
  * output struct to free the string members it contains.
  */
 int
diff --git a/src/port/pg_popcount_aarch64.c b/src/port/pg_popcount_aarch64.c
index bed0f7ab242..e515e4d45b8 100644
--- a/src/port/pg_popcount_aarch64.c
+++ b/src/port/pg_popcount_aarch64.c
@@ -457,7 +457,7 @@ pg_popcount_masked_neon(const char *buf, int bytes, bits8 mask)
 	popcnt += vaddvq_u64(vaddq_u64(accum3, accum4));
 
 	/*
-	 * Process remining 8-byte blocks.
+	 * Process remaining 8-byte blocks.
 	 */
 	for (; bytes >= sizeof(uint64); bytes -= sizeof(uint64))
 	{
diff --git a/src/test/modules/oauth_validator/t/002_client.pl b/src/test/modules/oauth_validator/t/002_client.pl
index 54769f12f57..8dd502f41e1 100644
--- a/src/test/modules/oauth_validator/t/002_client.pl
+++ b/src/test/modules/oauth_validator/t/002_client.pl
@@ -47,8 +47,7 @@ local all test oauth issuer="$issuer" scope="$scope"
 });
 $node->reload;
 
-my ($log_start, $log_end);
-$log_start = $node->wait_for_log(qr/reloading configuration files/);
+my $log_start = $node->wait_for_log(qr/reloading configuration files/);
 
 $ENV{PGOAUTHDEBUG} = "UNSAFE";
 
diff --git a/src/test/modules/test_aio/t/001_aio.pl b/src/test/modules/test_aio/t/001_aio.pl
index ef4e5247e5b..4527c70785d 100644
--- a/src/test/modules/test_aio/t/001_aio.pl
+++ b/src/test/modules/test_aio/t/001_aio.pl
@@ -560,7 +560,7 @@ INSERT INTO tmp_ok SELECT generate_series(1, 10000);
 		qr/^t$/,
 		qr/^$/);
 
-	# Because local buffers don't use IO_IN_PROGRESS, a second StartLocalBufer
+	# Because local buffers don't use IO_IN_PROGRESS, a second StartLocalBufferIO
 	# succeeds as well. This test mostly serves as a documentation of that
 	# fact. If we had actually started IO, it'd be different.
 	psql_like(
diff --git a/src/test/recovery/t/035_standby_logical_decoding.pl b/src/test/recovery/t/035_standby_logical_decoding.pl
index b85a4a4eda6..921813483e3 100644
--- a/src/test/recovery/t/035_standby_logical_decoding.pl
+++ b/src/test/recovery/t/035_standby_logical_decoding.pl
@@ -799,7 +799,7 @@ $logstart = -s $node_standby->logfile;
 reactive_slots_change_hfs_and_wait_for_xmins('no_conflict_', 'pruning_', 0,
 	0);
 
-# Injection_point avoids seeing a xl_running_xacts. This is required because if
+# Injection point avoids seeing a xl_running_xacts. This is required because if
 # it is generated between the last two updates, then the catalog_xmin of the
 # active slot could be updated, and hence, the conflict won't occur. See
 # comments atop wait_until_vacuum_can_remove.
diff --git a/src/test/subscription/t/007_ddl.pl b/src/test/subscription/t/007_ddl.pl
index de846193bb5..7d12bcbddb6 100644
--- a/src/test/subscription/t/007_ddl.pl
+++ b/src/test/subscription/t/007_ddl.pl
@@ -80,7 +80,7 @@ $node_subscriber->safe_psql('postgres', "DROP SUBSCRIPTION mysub1");
 # Test ALTER PUBLICATION RENAME command during the replication
 #
 
-# Test function for swaping name of publications
+# Test function for swapping name of publications
 sub test_swap
 {
 	my ($table_name, $pubname, $appname) = @_;

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