diff --git a/reference/array/functions/sort.xml b/reference/array/functions/sort.xml
index b49927df2f..4822a103e3 100644
--- a/reference/array/functions/sort.xml
+++ b/reference/array/functions/sort.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.11 $ -->
+<!-- $Revision: 1.12 $ -->
 <!-- splitted from ./en/functions/array.xml, last change in rev 1.2 -->
   <refentry id="function.sort">
    <refnamediv>
@@ -83,6 +83,12 @@ fruits[3] = orange
       The second parameter was added in PHP 4.
      </para>
     </note>
+    <warning>
+     <simpara>
+      Be carefull when sorting arrays with mixed types values because
+      <function>sort</function> can produce unpredictable results.
+     </simpara>
+    </warning>
     <para>
      See also <function>arsort</function>,
      <function>asort</function>, <function>ksort</function>,