brkyvz commented on a change in pull request #25465: [SPARK-28747][SQL] merge 
the two data source v2 fallback configs
URL: https://github.com/apache/spark/pull/25465#discussion_r317815250
 
 

 ##########
 File path: 
sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala
 ##########
 @@ -1589,22 +1589,14 @@ object SQLConf {
       .timeConf(TimeUnit.MILLISECONDS)
       .createWithDefault(100)
 
-  val USE_V1_SOURCE_READER_LIST = 
buildConf("spark.sql.sources.read.useV1SourceList")
+  val USE_V1_SOURCE_LIST = buildConf("spark.sql.sources.useV1SourceList")
     .internal()
-    .doc("A comma-separated list of data source short names or fully qualified 
data source" +
-      " register class names for which data source V2 read paths are disabled. 
Reads from these" +
-      " sources will fall back to the V1 sources.")
+    .doc("A comma-separated list of data source short names or fully qualified 
data source " +
+      "implementation class names for which Data Source V2 code path is 
disabled. These data " +
+      "source will fallback to Data Source V1 code path.")
 
 Review comment:
   nit: `sources will fallback`

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