diff --git a/doc/src/sgml/plperl.sgml b/doc/src/sgml/plperl.sgml
index f02226b5d4d1944f11fcb7e7fcaccbce617e0d5a..3fc14c275aeaf3aba88dfce8afd6d9c5944d4557 100644
--- a/doc/src/sgml/plperl.sgml
+++ b/doc/src/sgml/plperl.sgml
@@ -1,9 +1,9 @@
 <!--
-$Header: /cvsroot/pgsql/doc/src/sgml/plperl.sgml,v 2.2 2000/03/31 03:27:41 thomas Exp $
+$Header: /cvsroot/pgsql/doc/src/sgml/plperl.sgml,v 2.3 2000/03/31 06:17:21 thomas Exp $
 -->
 
  <chapter id="pl-perl">
-  <title>Perl Procedural Language</title>
+  <title>PL/perl - Perl Procedural Language</title>
 
   <para>
    This chapter describes how to compile, install and
diff --git a/doc/src/sgml/plsql.sgml b/doc/src/sgml/plsql.sgml
index 66fcdcbba9b345e35a7dbc9a8894735b7264b7e5..0a3d33c486b62e356cd57c68227fffc46a74f9cd 100644
--- a/doc/src/sgml/plsql.sgml
+++ b/doc/src/sgml/plsql.sgml
@@ -1,9 +1,9 @@
 <!--
-$Header: /cvsroot/pgsql/doc/src/sgml/Attic/plsql.sgml,v 2.2 2000/03/31 03:27:41 thomas Exp $
+$Header: /cvsroot/pgsql/doc/src/sgml/Attic/plsql.sgml,v 2.3 2000/03/31 06:17:21 thomas Exp $
 -->
 
  <chapter>
-  <title>PL/pgSQL</title>
+  <title>PL/pgSQL - SQL Procedural Language</title>
 
   <para>
    PL/pgSQL is a loadable procedural language for the
diff --git a/doc/src/sgml/pltcl.sgml b/doc/src/sgml/pltcl.sgml
index ae1f3229cafb68b0822ef6a0d28b9e478bd80a17..6dc678671664c3b2c62f623b53411d7761db6f20 100644
--- a/doc/src/sgml/pltcl.sgml
+++ b/doc/src/sgml/pltcl.sgml
@@ -1,9 +1,9 @@
 <!--
-$Header: /cvsroot/pgsql/doc/src/sgml/pltcl.sgml,v 2.2 2000/03/31 03:27:41 thomas Exp $
+$Header: /cvsroot/pgsql/doc/src/sgml/pltcl.sgml,v 2.3 2000/03/31 06:17:21 thomas Exp $
 -->
 
  <chapter>
-  <title>PL/Tcl</title>
+  <title>PL/Tcl - TCL Procedural Language</title>
 
   <para>
    PL/Tcl is a loadable procedural language for the