diff --git a/reference/dio/functions/dio-tcsetattr.xml b/reference/dio/functions/dio-tcsetattr.xml
index e09a0e4c13..00ef1bb01d 100644
--- a/reference/dio/functions/dio-tcsetattr.xml
+++ b/reference/dio/functions/dio-tcsetattr.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.1 $ -->
+<!-- $Revision: 1.2 $ -->
 <!-- splitted from ./en/functions/dio.xml, last change in rev 1.1 -->
   <refentry id="function.dio-tcsetattr">
    <refnamediv>
@@ -79,6 +79,11 @@ while (1) {
      </example>
      
     </para>
+    <note>
+     <para>
+       This function was introduced in PHP 4.3.0.
+     </para>
+    </note>
    </refsect1>
   </refentry>