diff --git a/reference/filesystem/functions/dirname.xml b/reference/filesystem/functions/dirname.xml
index 0d9d21de62..e5b8616c87 100644
--- a/reference/filesystem/functions/dirname.xml
+++ b/reference/filesystem/functions/dirname.xml
@@ -104,6 +104,7 @@
 echo dirname("/etc/passwd") . PHP_EOL;
 echo dirname("/etc/") . PHP_EOL;
 echo dirname(".") . PHP_EOL;
+echo dirname("C:\\") . PHP_EOL;
 echo dirname("/usr/local/lib", 2);
 ]]>
     </programlisting>
@@ -113,6 +114,7 @@ echo dirname("/usr/local/lib", 2);
 /etc
 / (or \ on Windows)
 .
+C:\
 /usr
 ]]>
     </screen>
@@ -136,33 +138,6 @@ echo dirname("/usr/local/lib", 2);
     be set using the <function>setlocale</function> function.
    </para>
   </note>
-  <note>
-   <para>
-    Since PHP 4.3.0, you will often get a slash or a dot back from
-    <function>dirname</function> in situations where the older
-    functionality would have given you the empty string.
-   </para>
-  </note>
-  <para>
-   Check the following change example:
-   <informalexample>
-    <programlisting role="php">
-<![CDATA[
-<?php
-
-//before PHP 4.3.0
-dirname('c:/'); // returned '.'
-
-//after PHP 4.3.0
-dirname('c:/x'); // returns 'c:\'
-dirname('c:/Temp/x'); // returns 'c:/Temp'
-dirname('/x'); // returns '\'
-
-?>
-]]>
-    </programlisting>
-   </informalexample>
-  </para>
  </refsect1>
 
  <refsect1 role="seealso">