diff --git a/reference/funchand/functions/call-user-func.xml b/reference/funchand/functions/call-user-func.xml
index 7072be857f..39ce67353a 100644
--- a/reference/funchand/functions/call-user-func.xml
+++ b/reference/funchand/functions/call-user-func.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.5 $ -->
+<!-- $Revision: 1.6 $ -->
 <!-- splitted from ./en/functions/funchand.xml, last change in rev 1.1 -->
   <refentry id="function.call-user-func">
    <refnamediv>
@@ -62,6 +62,7 @@ call_user_func(array($classname,'say_hello'));
     </para>
     <para>
      See also:
+     <function>is_callable</function>,
      <function>call_user_func_array</function>,
      <function>call_user_method</function>,
      <function>call_user_method_array</function>.