diff --git a/reference/sybase/functions/sybase-unbuffered-query.xml b/reference/sybase/functions/sybase-unbuffered-query.xml
index 143ec3a3df..2eeb976cff 100644
--- a/reference/sybase/functions/sybase-unbuffered-query.xml
+++ b/reference/sybase/functions/sybase-unbuffered-query.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.6 $ -->
+<!-- $Revision: 1.7 $ -->
   <refentry id="function.sybase-unbuffered-query">
    <refnamediv>
     <refname>sybase_unbuffered_query</refname>
@@ -11,9 +11,10 @@
       <type>resource</type><methodname>sybase_unbuffered_query</methodname>
       <methodparam><type>string</type><parameter>query</parameter></methodparam>
       <methodparam><type>resource</type><parameter>link_identifier</parameter></methodparam>
+<methodparam choice="opt"><type>bool</type><parameter>store_result</parameter></methodparam>
      </methodsynopsis>
     <para>
-     Returns a positive Sybase result identifier on success, or
+     Returns a &true; Sybase result identifier on success, or
      &false; on error.
     </para>
     <para>