diff --git a/functions/array.xml b/functions/array.xml
index 0243580295..bdafd8f3fb 100644
--- a/functions/array.xml
+++ b/functions/array.xml
@@ -1833,9 +1833,10 @@ while (list ($id, $name, $salary) = mysql_fetch_row ($result)) {
      element list, <function>next</function> returns false.
      <warning>
       <para>
-       If the array contains empty elements then this function will
-       return false for these elements as well.  To properly traverse
-       an array which may contain empty elements see the
+       If the array contains empty elements, or elements that have a key
+       value of 0 then this function will return false for these elements 
+       as well.  To properly traverse an array which may contain empty 
+       elements or elements with key values of 0 see the
        <function>each</function> function.
       </para>
      </warning>