diff --git a/doc/src/sgml/ref/lock.sgml b/doc/src/sgml/ref/lock.sgml
index 804872d4a10..cee12d0c45a 100644
--- a/doc/src/sgml/ref/lock.sgml
+++ b/doc/src/sgml/ref/lock.sgml
@@ -18,7 +18,7 @@
    <DATE>1998-09-24</DATE>
   </REFSYNOPSISDIVINFO>
   <SYNOPSIS>
-   LOCK [ TABLE ] [[IN] [ROW|ACCESS] [SHARE|EXCLUSIVE] MODE] <REPLACEABLE CLASS="PARAMETER">table</REPLACEABLE>
+   LOCK [ TABLE ] [IN [ROW|ACCESS] [SHARE|EXCLUSIVE] MODE] <REPLACEABLE CLASS="PARAMETER">table</REPLACEABLE>
   </SYNOPSIS>
 
   <REFSECT2 ID="R2-SQL-LOCK-1">
diff --git a/src/man/lock.l b/src/man/lock.l
index 5f71a8a5d6a..e70c622ec84 100644
--- a/src/man/lock.l
+++ b/src/man/lock.l
@@ -1,12 +1,12 @@
 .\" This is -*-nroff-*-
 .\" XXX standard disclaimer belongs here....
-.\" $Header: /cvsroot/pgsql/src/man/Attic/lock.l,v 1.6 1999/06/03 19:18:00 momjian Exp $
+.\" $Header: /cvsroot/pgsql/src/man/Attic/lock.l,v 1.7 1999/06/04 04:16:11 momjian Exp $
 .TH FETCH SQL 01/23/93 PostgreSQL PostgreSQL
 .SH NAME
 lock - exclusive lock a table
 .SH SYNOPSIS
 .nf
-\fBlock\fR [\fBtable\fR] classname [[IN] [ROW|ACCESS] [SHARE|EXCLUSIVE] MODE]
+\fBlock\fR [\fBtable\fR] classname [IN [ROW|ACCESS] [SHARE|EXCLUSIVE] MODE]
 .fi
 .SH DESCRIPTION
 By default,