diff --git a/doc/src/sgml/ref/lock.sgml b/doc/src/sgml/ref/lock.sgml
index 05948c059e6..051db61efde 100644
--- a/doc/src/sgml/ref/lock.sgml
+++ b/doc/src/sgml/ref/lock.sgml
@@ -1,5 +1,5 @@
 <!--
-$Header: /cvsroot/pgsql/doc/src/sgml/ref/lock.sgml,v 1.16 2000/03/23 22:25:35 momjian Exp $
+$Header: /cvsroot/pgsql/doc/src/sgml/ref/lock.sgml,v 1.17 2000/03/23 23:16:47 momjian Exp $
 Postgres documentation
 -->
 
@@ -86,7 +86,7 @@ LOCK [ TABLE ] <replaceable class="PARAMETER">name</replaceable> IN SHARE ROW EX
       <term>Notes</term>
       <listitem>
        <para>
-	If EXCLUSIVE or SHARE are not speicified, EXCLUSIVE is assumed.
+	If EXCLUSIVE or SHARE are not specified, EXCLUSIVE is assumed.
 	If  ROW or ACCESS is not specified, the entire table is locked
 	for the duration of the transaction.
        </para>
@@ -117,14 +117,14 @@ LOCK [ TABLE ] <replaceable class="PARAMETER">name</replaceable> IN SHARE ROW EX
        <note>
 	<para>
 	 This lock mode is acquired automatically over tables being queried.
-	 This lock is released automatically after the statement completes.
+	 It is released after the statement completes.
 	 It does not remain for the duration of the transaction.
 	</para>
        </note>
 
        <para>
 	This is the least restrictive lock mode.  It conflicts only with
-	ACCESS EXCLUSIVE mode. It is intended to protect a table being
+	ACCESS EXCLUSIVE mode. It is used to protect a table being
 	modified by concurrent <command>ALTER TABLE</command>, 
 	<command>DROP TABLE</command> and <command>VACUUM</command> 
 	commands.
@@ -139,7 +139,7 @@ LOCK [ TABLE ] <replaceable class="PARAMETER">name</replaceable> IN SHARE ROW EX
        <para>
 	 Automatically acquired by <command>SELECT...FOR UPDATE</command>.
 	 While it is a shared lock, there is the intention to later upgrade
-	 this to an EXCLUSIVE lock.
+	 this to a ROW EXCLUSIVE lock.
 	</para>
        </note>
 
diff --git a/src/backend/tcop/postgres.c b/src/backend/tcop/postgres.c
index 7d3aed5a834..a70418637f7 100644
--- a/src/backend/tcop/postgres.c
+++ b/src/backend/tcop/postgres.c
@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/tcop/postgres.c,v 1.147 2000/03/01 02:39:46 ishii Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/tcop/postgres.c,v 1.148 2000/03/23 23:16:48 momjian Exp $
  *
  * NOTES
  *	  this is the "main" module of the postgres backend and
@@ -97,7 +97,9 @@
 CommandDest whereToSendOutput = Debug;
 
 /* Define status buffer needed by PS_SET_STATUS */
+#ifdef PS_DEFINE_BUFFER
 PS_DEFINE_BUFFER;
+#endif
 
 extern void		BaseInit(void);
 extern void		StartupXLOG(void);
@@ -1503,7 +1505,7 @@ PostgresMain(int argc, char *argv[], int real_argc, char *real_argv[])
 	if (!IsUnderPostmaster)
 	{
 		puts("\nPOSTGRES backend interactive interface ");
-		puts("$Revision: 1.147 $ $Date: 2000/03/01 02:39:46 $\n");
+		puts("$Revision: 1.148 $ $Date: 2000/03/23 23:16:48 $\n");
 	}
 
 	/*
diff --git a/src/include/utils/ps_status.h b/src/include/utils/ps_status.h
index 014105b2c80..0058e56ae3f 100644
--- a/src/include/utils/ps_status.h
+++ b/src/include/utils/ps_status.h
@@ -50,7 +50,7 @@ char *ps_status_buffer = NULL
 
 extern char Ps_status_buffer[];
 
-#define PS_DEFINE_BUFFER
+#undef PS_DEFINE_BUFFER
 
 #define PS_INIT_STATUS(argc, argv, execname, username, hostname, dbname) \
 	{ \
@@ -75,7 +75,7 @@ extern char Ps_status_buffer[];
 #endif
 
 #ifdef NO_PS_STATUS
-#define PS_DEFINE_BUFFER
+#undef PS_DEFINE_BUFFER
 #define PS_INIT_STATUS(argc, argv, execname, username, hostname, dbname)
 #define PS_CLEAR_STATUS()
 #define PS_SET_STATUS(status) { if ((status)); }