drop please from manual pages excluding third party parts of tree
suggested by multiple documentation style guides

diff --git lib/libc/stdlib/atexit.3 lib/libc/stdlib/atexit.3
index a95a45b92e4..891641489e3 100644
--- lib/libc/stdlib/atexit.3
+++ lib/libc/stdlib/atexit.3
@@ -68,7 +68,7 @@ that matters, not the source of the function that was 
registered.
 is very difficult to use correctly without creating
 .Xr exit 3 Ns -time
 races.
-Unless absolutely necessary, please avoid using it.
+Unless absolutely necessary, avoid using it.
 .Sh RETURN VALUES
 The
 .Nm
diff --git lib/libc/sys/getentropy.2 lib/libc/sys/getentropy.2
index 234969e7a1d..942a591a0cc 100644
--- lib/libc/sys/getentropy.2
+++ lib/libc/sys/getentropy.2
@@ -33,7 +33,7 @@ as input for process-context pseudorandom generators like
 The maximum buffer size permitted is 256 bytes.
 .Pp
 .Fn getentropy
-is not intended for regular code; please use the
+is not intended for regular code; use the
 .Xr arc4random 3
 family of functions instead.
 .Pp
diff --git lib/libkeynote/keynote.4 lib/libkeynote/keynote.4
index aabd2db365d..6e5a29dffb4 100644
--- lib/libkeynote/keynote.4
+++ lib/libkeynote/keynote.4
@@ -374,7 +374,7 @@ attribute
 .Sh QUERY SEMANTICS
 The discussion in the following sections assume some familiarity with
 assertion syntax.
-Please refer to
+Refer to
 .Xr keynote 5
 for more details on the syntax.
 .Sh QUERY PARAMETERS
diff --git lib/libpthread/man/pthreads.3 lib/libpthread/man/pthreads.3
index 94e86227874..c2de5274f3a 100644
--- lib/libpthread/man/pthreads.3
+++ lib/libpthread/man/pthreads.3
@@ -463,7 +463,7 @@ conform to
 .St -p1003.1-96
 and various later versions of
 .Pq Dq Tn POSIX .
-Please consult the manpages for the individual functions for details.
+Consult the manpages for the individual functions for details.
 .Sh HISTORY
 This 1-to-1 implementation of the
 .Nm
diff --git lib/libssl/man/SSL_get_ex_data_X509_STORE_CTX_idx.3 
lib/libssl/man/SSL_get_ex_data_X509_STORE_CTX_idx.3
index e30e4de84fa..adea288e4df 100644
--- lib/libssl/man/SSL_get_ex_data_X509_STORE_CTX_idx.3
+++ lib/libssl/man/SSL_get_ex_data_X509_STORE_CTX_idx.3
@@ -104,7 +104,7 @@ provides access to
 object for the connection during the
 .Fn verify_callback
 when checking the peer's certificate.
-Please check the example in
+Check the example in
 .Xr SSL_CTX_set_verify 3 .
 .Sh SEE ALSO
 .Xr CRYPTO_set_ex_data 3 ,
diff --git sbin/iked/iked.conf.5 sbin/iked/iked.conf.5
index 78dfbbfa1d1..7343c4a01ea 100644
--- sbin/iked/iked.conf.5
+++ sbin/iked/iked.conf.5
@@ -197,8 +197,7 @@ Enable OCSP and set the fallback URL of the OCSP responder.
 This fallback will be used if the trusted CA from
 .Pa /etc/iked/ca/
 does not have an OCSP-URL extension.
-Please note that the matching responder certificates
-have to be placed in
+The matching responder certificates have to be placed in
 .Pa /etc/iked/ocsp/responder.crt .
 .Pp
 The optional
@@ -231,7 +230,7 @@ and the
 and
 .Ar password
 arguments.
-Note that the password has to be specified in plain text which is
+The password has to be specified in plain text which is
 required to support different challenge-based EAP methods like
 EAP-MD5 or EAP-MSCHAPv2.
 .El
@@ -255,7 +254,7 @@ the connection, the default action is to ignore the 
connection attempt or
 to use the
 .Ar default
 policy, if set.
-Please also see the
+See the
 .Sx EXAMPLES
 section for a detailed example of the policy evaluation.
 .Pp
@@ -360,7 +359,7 @@ which can be either
 .Ar inet
 or
 .Ar inet6 .
-Note that this only matters for IKEv2 endpoints and does not
+This only matters for IKEv2 endpoints and does not
 restrict the traffic selectors to negotiate flows with different
 address families, e.g. IPv6 flows negotiated by IPv4 endpoints.
 .Pp
@@ -626,7 +625,7 @@ and
 .Ql G
 for kilo-, mega- and gigabytes accordingly.
 .Pp
-Please note that rekeying must happen at least several times a day as
+Rekeying must happen at least several times a day as
 IPsec security heavily depends on frequent key renewals.
 .Pp
 .It Op Ar ikeauth
@@ -1028,7 +1027,7 @@ The currently supported group types are either
 MODP (exponentiation groups modulo a prime),
 ECP (elliptic curve groups modulo a prime),
 or Curve25519.
-Please note that MODP groups of less than 2048 bits are considered
+MODP groups of less than 2048 bits are considered
 as weak or insecure (see RFC 8247 section 2.4) and only provided for
 backwards compatibility.
 .Sh FILES
diff --git sbin/isakmpd/isakmpd.conf.5 sbin/isakmpd/isakmpd.conf.5
index 4d35e162393..1ea562f3447 100644
--- sbin/isakmpd/isakmpd.conf.5
+++ sbin/isakmpd/isakmpd.conf.5
@@ -1372,7 +1372,7 @@ LIFE_DURATION=            1000,768:1536
 .Xr isakmpd 8
 .Sh CAVEATS
 Using aggressive mode is discouraged due to various design problems.
-If your peer only supports aggressive mode, please consider replacing that
+If your peer only supports aggressive mode, consider replacing that
 peer with a sane ISAKMP/IKE implementation.
 For details see
 .Lk http://www.usenix.org/publications/login/1999-12/features/harmful.html .
diff --git sbin/isakmpd/isakmpd.policy.5 sbin/isakmpd/isakmpd.policy.5
index 55fb593dfa6..96a1907034b 100644
--- sbin/isakmpd/isakmpd.policy.5
+++ sbin/isakmpd/isakmpd.policy.5
@@ -143,7 +143,7 @@ SAs established from that point on (even if the associated 
Phase 1 SA
 was already established when the new policies were loaded).
 The policy change will not affect already established Phase 2 SAs.
 .Pp
-For more details on KeyNote assertion format, please see
+For more details on KeyNote assertion format, see
 .Xr keynote 5 .
 Briefly, KeyNote policy assertions used in IKE have the following
 characteristics:
diff --git sbin/wsconsctl/wsconsctl.8 sbin/wsconsctl/wsconsctl.8
index f7ef41c50bd..c43b7d5bcf7 100644
--- sbin/wsconsctl/wsconsctl.8
+++ sbin/wsconsctl/wsconsctl.8
@@ -134,7 +134,7 @@ Modify the current keyboard encoding so that, when the
 key is pressed, the same encoding sequence as
 .Ar Left Control
 is sent.
-For a full list of keysyms, and keycodes, please refer
+For a full list of keysyms, and keycodes, refer
 to the
 .Ar /usr/include/dev/wscons/wsksymdef.h
 file.
diff --git share/man/man1/dpb.1 share/man/man1/dpb.1
index dd8d040845a..a503fb6e675 100644
--- share/man/man1/dpb.1
+++ share/man/man1/dpb.1
@@ -1408,7 +1408,7 @@ affinity mismatch, but job will start on the wrong host 
anyways, as the queue
 contains no other buildable path.
 .El
 .Pp
-Please note that the engine is no longer run after each package build event
+The engine is no longer run after each package build event
 because of performance considerations, so the
 .Sq Q
 and
diff --git share/man/man4/carp.4 share/man/man4/carp.4
index 1ea8d5c2dd5..cb14e7aeb76 100644
--- share/man/man4/carp.4
+++ share/man/man4/carp.4
@@ -186,7 +186,7 @@ In this mode
 never sends packets with its virtual MAC address as source.
 Stealth mode prevents a switch from learning the virtual MAC
 address, so that it has to flood the traffic to all its ports.
-Please note that activating stealth mode on a
+Activating stealth mode on a
 .Nm
 interface that has already been running might not work instantly.
 As a workaround the VHID of the first carpnode can be changed to a
diff --git share/man/man4/ix.4 share/man/man4/ix.4
index 52557648623..f368ce28bdb 100644
--- share/man/man4/ix.4
+++ share/man/man4/ix.4
@@ -73,7 +73,7 @@ HotLava Tambora 64G4/80G4/64G6/120G6 (SFP+)
 SFP+ adapters generally also support SFP type modules with their
 associated 1000base-* media types.
 .Pp
-Please note that the networking interface should be brought down before
+The networking interface should be brought down before
 disconnecting fiber optics, otherwise irreversible damage might be caused
 to the equipment.
 .Sh SEE ALSO
diff --git share/man/man4/man4.i386/pcibios.4 share/man/man4/man4.i386/pcibios.4
index 65e046317d6..3596f9ff708 100644
--- share/man/man4/man4.i386/pcibios.4
+++ share/man/man4/man4.i386/pcibios.4
@@ -90,7 +90,7 @@ And many BIOS implementations don't assign a bus number for 
CardBuses.
 .Pp
 A typical symptom of this is the following boot message:
 .D1 Sy cardbus0 at cardslot0: bus 0 device 0...
-Please note that this cardbus0 has a bus number
+This cardbus0 has a bus number
 .Sq 0 ,
 but normally the bus number 0 is used by the machine's
 primary PCI bus.
diff --git share/man/man4/tty.4 share/man/man4/tty.4
index de51cc2d5b7..f4a9b5cab2e 100644
--- share/man/man4/tty.4
+++ share/man/man4/tty.4
@@ -148,7 +148,7 @@ When the
 line discipline is in effect, the terminal file behaves and is
 operated according to the rules described in
 .Xr termios 4 .
-Please refer to that man page for a full description of the terminal
+Refer to that man page for a full description of the terminal
 semantics.
 The operations described here
 generally represent features common
diff --git share/man/man7/script.7 share/man/man7/script.7
index 80542d1f46f..ab720e873e9 100644
--- share/man/man7/script.7
+++ share/man/man7/script.7
@@ -337,7 +337,7 @@ described is largely portable across
 style systems, with two significant exceptions: the maximum length of the
 .Sq #!
 line, and the behavior if multiple arguments are passed.
-Please be aware that the behavior in the
+Be aware that the behavior in the
 face of multiple arguments is not consistent across systems.
 .Sh HISTORY
 The behavior of the kernel when encountering scripts that start in
diff --git share/man/man9/bus_space.9 share/man/man9/bus_space.9
index b9fc6e1c71c..c1307eb7d4b 100644
--- share/man/man9/bus_space.9
+++ share/man/man9/bus_space.9
@@ -1471,7 +1471,7 @@ must be a multiple of the access width or the results are 
undefined.
 .Pp
 In all other respects these functions are the same as their non-raw
 counterparts.
-Please consult the documentation for those functions for further
+Consult the documentation for those functions for further
 information.
 .Sh SEE ALSO
 .Xr bus_dma 9
diff --git usr.bin/mandoc/mandoc.1 usr.bin/mandoc/mandoc.1
index 1e8dcc4b251..2c82f1efd4c 100644
--- usr.bin/mandoc/mandoc.1
+++ usr.bin/mandoc/mandoc.1
@@ -835,7 +835,7 @@ message levels, the
 .Cm style
 level tries to reduce the probability that issues go unnoticed,
 so it may occasionally issue bogus suggestions.
-Please use your good judgement to decide whether any particular
+Use your judgement to decide whether any particular
 .Cm style
 suggestion really justifies a change to the input file.
 .It Cm base
diff --git usr.bin/skeyinit/skeyinit.1 usr.bin/skeyinit/skeyinit.1
index 0e1a3060df6..e56a799b86d 100644
--- usr.bin/skeyinit/skeyinit.1
+++ usr.bin/skeyinit/skeyinit.1
@@ -118,7 +118,7 @@ type must be specified via the
 .Fl a
 option
 (see above).
-Please note that entering a password or passphrase in plain text
+Entering a password or passphrase in plain text
 defeats the purpose of using
 .Dq secure
 mode.
diff --git usr.bin/ssh/ssh-keygen.1 usr.bin/ssh/ssh-keygen.1
index e18a1cf65ee..fd51a02a529 100644
--- usr.bin/ssh/ssh-keygen.1
+++ usr.bin/ssh/ssh-keygen.1
@@ -372,12 +372,12 @@ to use on files that mix hashed and non-hashed names.
 .It Fl h
 When signing a key, create a host certificate instead of a user
 certificate.
-Please see the
+See the
 .Sx CERTIFICATES
 section for details.
 .It Fl I Ar certificate_identity
 Specify the key identity when signing a public key.
-Please see the
+See the
 .Sx CERTIFICATES
 section for details.
 .It Fl i
@@ -469,7 +469,7 @@ Provides the new passphrase.
 Specify one or more principals (user or host names) to be included in
 a certificate when signing a key.
 Multiple principals may be specified, separated by commas.
-Please see the
+See the
 .Sx CERTIFICATES
 section for details.
 .It Fl O Ar option
@@ -534,7 +534,7 @@ but other methods may be supported in the future.
 .It Cm write-attestation Ns = Ns Ar path
 May be used at key generation time to record the attestation data
 returned from FIDO tokens during key generation.
-Please note that this information is potentially sensitive.
+This information is potentially sensitive.
 By default, this information is discarded.
 .El
 .Pp
@@ -594,7 +594,7 @@ Print the SSHFP fingerprint resource record named
 for the specified public key file.
 .It Fl s Ar ca_key
 Certify (sign) a public key using the specified CA key.
-Please see the
+See the
 .Sx CERTIFICATES
 section for details.
 .Pp
@@ -1059,7 +1059,7 @@ public key must be trusted by
 .Xr sshd 8
 or
 .Xr ssh 1 .
-Please refer to those manual pages for details.
+Refer to those manual pages for details.
 .Sh KEY REVOCATION LISTS
 .Nm
 is able to manage OpenSSH format Key Revocation Lists (KRLs).
diff --git usr.bin/ssh/ssh.1 usr.bin/ssh/ssh.1
index 6f29a067044..98765d4e1e8 100644
--- usr.bin/ssh/ssh.1
+++ usr.bin/ssh/ssh.1
@@ -825,7 +825,7 @@ An attacker may then be able to perform activities such as 
keystroke monitoring.
 .Pp
 For this reason, X11 forwarding is subjected to X11 SECURITY extension
 restrictions by default.
-Please refer to the
+Refer to the
 .Nm
 .Fl Y
 option and the
diff --git usr.sbin/relayd/relayd.conf.5 usr.sbin/relayd/relayd.conf.5
index cecbae71f87..6740480bb04 100644
--- usr.sbin/relayd/relayd.conf.5
+++ usr.sbin/relayd/relayd.conf.5
@@ -179,7 +179,7 @@ Set the global timeout in milliseconds for checks.
 This can be overridden by the timeout value in the table definitions.
 The default timeout is 200 milliseconds and it must not exceed the
 global interval.
-Please note that the default value is optimized for checks within the
+The default value is optimized for checks within the
 same collision domain \(en use a higher timeout, such as 1000 milliseconds,
 for checks of hosts in other subnets.
 If this option is to be set, it should be placed before overrides in tables.
diff --git usr.sbin/user/group.8 usr.sbin/user/group.8
index 2b56c765917..bf0071e3c90 100644
--- usr.sbin/user/group.8
+++ usr.sbin/user/group.8
@@ -65,7 +65,7 @@ and
 .Xr groupdel 8
 commands.
 .Pp
-For a full explanation of the options, please see the relevant manual page.
+For a full explanation of the options, see the relevant manual page.
 .Sh EXIT STATUS
 .Ex -std group
 .Sh SEE ALSO
diff --git usr.sbin/user/user.8 usr.sbin/user/user.8
index 11f08c17240..f0fd8a45bbd 100644
--- usr.sbin/user/user.8
+++ usr.sbin/user/user.8
@@ -101,7 +101,7 @@ and
 .Xr userdel 8
 commands.
 .Pp
-For a full explanation of the options, please see the relevant manual page.
+For a full explanation of the options, see the relevant manual page.
 .Sh FILES
 .Bl -tag -width /etc/usermgmt.conf -compact
 .It Pa /etc/skel/.[A-z]*

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