diff --git a/functions/pgsql.xml b/functions/pgsql.xml
index 1238de89c4..09616c008f 100644
--- a/functions/pgsql.xml
+++ b/functions/pgsql.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.54 $ -->
+<!-- $Revision: 1.55 $ -->
  <reference id="ref.pgsql">
   <title>PostgreSQL functions</title>
   <titleabbrev>PostgreSQL</titleabbrev>
@@ -415,19 +415,27 @@ $dbconn4 = pg_connect ($conn_string);
      <function>pg_fetch_array</function>.
      <note>
       <simpara>
-       PHP/FI returned 1 if the query was not expected to return data
-       (inserts or updates, for example) and greater than 1 even on
-       selects that did not return anything. No such assumption can be
-       made in PHP.  
+       <parameter>connection</parameter> is a optional parameter for
+       <function>pg_exec</function>. If
+       <parameter>connection</parameter> is not used, default
+       connection is used. Default connection is the last connection
+       made by <function>pg_connect</function> or
+       <function>pg_pconnect</function>.
+      </simpara>
+      <simpara>
+       Although <parameter>connection</parameter> can be omitted, it
+       is not recommended, since it could be a cause of hard to find
+       bug in script.
       </simpara>
      </note>
     </para>
     <para>
-     See also <function>pg_fetch_array</function>,
+     See also <function>pg_connect</function>,
+     <function>pg_pconnect</function>,
+     <function>pg_fetch_array</function>,
      <function>pg_fetch_object</function>,
-     <function>pg_result</function>, <function>pg_numrows</function>,
-     <function>pg_cmdtuples</function> and
-     <function>pg_numfields</function>.
+     <function>pg_numrows</function>,
+     and <function>pg_cmdtuples</function>.
     </para>
    </refsect1>
   </refentry>