diff --git a/functions/misc.xml b/functions/misc.xml
index def5711b99..d6da22f914 100644
--- a/functions/misc.xml
+++ b/functions/misc.xml
@@ -633,7 +633,8 @@ Mozilla/4.5 [en] (X11; U; Linux 2.2.9 i586)<hr>
 
     <para>
      The idea to this function was taken from Perl and all formatting
-     codes work the same as there. The format string consists of
+     codes work the same as there, however, there are some formatting codes that are missing
+		 such as Perl's "u" format code. The format string consists of
      format codes followed by an optional repeater argument. The
      repeater argument can be either an integer value or * for
      repeating to the end of the input data. For a, A, h, H the repeat