diff --git a/reference/datetime/functions/strtotime.xml b/reference/datetime/functions/strtotime.xml
index 411ac42377..1ad5b8cabd 100644
--- a/reference/datetime/functions/strtotime.xml
+++ b/reference/datetime/functions/strtotime.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.10 $ -->
+<!-- $Revision: 1.11 $ -->
 <!-- splitted from ./en/functions/datetime.xml, last change in rev 1.8 -->
   <refentry id="function.strtotime">
    <refnamediv>
@@ -19,7 +19,7 @@
     <simpara>
      The function expects to be given a string containing an English date
      format and will try to parse that format into a Unix timestamp (the
-     number of seconds since January 1 1970 00:00:00), relative
+     number of seconds since January 1 1970 00:00:00 GMT), relative
      to the timestamp given in <parameter>now</parameter>, or the current time
      if none is supplied. Upon failure, <literal>-1</literal> is returned.
     </simpara>