Fix mistypings

Author: knizhnik

doc/src/sgml/config.sgml

@@ -831,7 +831,7 @@ include_dir 'conf.d'
           With <literal>random</literal> policy postmaster randomly choose proxy for new session.
         </para>
         <para>
-          With <literal>load-balancing</literal> policy postmaster choose proxy with lowest load average.
+          With <literal>load-balancing</literal> policy postmaster chooses proxy with lowest load average.
           Load average of proxy is estimated by number of clients connection assigned to this proxy with extra weight for SSL connections.
        </para>
       </listitem>

src/backend/port/send_sock.c

@@ -4,7 +4,7 @@
  *	  Send socket descriptor to another process
  *
  * Portions Copyright (c) 1996-2018, PostgreSQL Global Development Group
- * Portions Copyright (c) 1994, Regents of the University of California
+ * Portions Copyright (c) 1996-2021, PostgreSQL Global Development Group
  *
  * src/backend/port/send_sock.c
  *

src/backend/postmaster/proxy.c

@@ -1,3 +1,17 @@
+/*-------------------------------------------------------------------------
+ *
+ * proxy.c
+ *    This process implements built-in connection pooler. It acts as proxy between clients and pooler backends.
+ *
+ * Portions Copyright (c) 1996-2021, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ *
+ * IDENTIFICATION
+ *	  src/backend/postmaster/postmaster.c
+ *-------------------------------------------------------------------------
+ */
+
 #include <unistd.h>
 #include <errno.h>
 
@@ -354,7 +368,7 @@ client_connect(Channel* chan, int startup_packet_size)
 	else
 	{
 		/* Assume that all clients are using the same set of GUCs.
-		 * Use then for launching pooler worker backends and report error
+		 * Use them for launching pooler worker backends and report error
 		 * if GUCs in startup packets are different.
 		 */
 		if (chan->pool->n_launched_backends == chan->pool->n_dedicated_backends)