diff --git a/reference/mime_magic/configure.xml b/reference/mime_magic/configure.xml
index e15b5216fa..020cb64766 100644
--- a/reference/mime_magic/configure.xml
+++ b/reference/mime_magic/configure.xml
@@ -2,6 +2,12 @@
 <!-- $Revision$ -->
 <section xml:id="mime-magic.installation" xmlns="http://docbook.org/ns/docbook">
  &reftitle.install;
+ <warning>
+  <para>
+   Mimetype extensions has been removed from PHP 5.3.0 in favor of <link
+   linkend="book.fileinfo">Fileinfo</link>.
+  </para>
+ </warning>
  <para>
   You must compile PHP with the configure switch
   <option role="configure">--with-mime-magic</option> to get support for