diff --git a/reference/ibase/functions/ibase-execute.xml b/reference/ibase/functions/ibase-execute.xml
index e05fc39dab..6317b3d366 100644
--- a/reference/ibase/functions/ibase-execute.xml
+++ b/reference/ibase/functions/ibase-execute.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.7 $ -->
+<!-- $Revision: 1.8 $ -->
 <!-- splitted from ./en/functions/ibase.xml, last change in rev 1.2 -->
   <refentry id="function.ibase-execute">
    <refnamediv>
@@ -11,6 +11,8 @@
      <methodsynopsis>
       <type>resource</type><methodname>ibase_execute</methodname>
       <methodparam><type>resource</type><parameter>query</parameter></methodparam>
+      <methodparam choice="opt"><type>mixed</type><parameter>bind_arg</parameter></methodparam>
+      <methodparam choice="opt"><type>mixed</type><parameter>...</parameter></methodparam>
      </methodsynopsis>
     <para>
      Execute a query prepared by <function>ibase_prepare</function>. If