diff --git a/reference/strings/functions/html-entity-decode.xml b/reference/strings/functions/html-entity-decode.xml
index f44516e72f..1f789e83d9 100644
--- a/reference/strings/functions/html-entity-decode.xml
+++ b/reference/strings/functions/html-entity-decode.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.10 $ -->
+<!-- $Revision: 1.11 $ -->
 <!-- splitted from ./en/functions/strings.xml, last change in rev 1.2 -->
   <refentry id="function.html-entity-decode">
    <refnamediv>
@@ -59,6 +59,11 @@
     </para>
     &reference.strings.charsets;    
     <para>
+    <note>
+     <para>
+      This function doesn't support multi-byte character sets in PHP &lt; 5.
+     </para>
+    </note>
      <example>
       <title>Decoding HTML entities</title>
       <programlisting role="php">