diff --git a/reference/datetime/functions/strtotime.xml b/reference/datetime/functions/strtotime.xml
index 9543e6bce7..d07874cc5d 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: 1.24 $ -->
+<!-- $Revision: 1.25 $ -->
 <!-- splitted from ./en/functions/datetime.xml, last change in rev 1.8 -->
 <refentry xml:id="function.strtotime" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
  <refnamediv>
@@ -18,7 +18,7 @@
    format and will try to parse that format into a Unix timestamp (the
    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.
+   if <parameter>now</parameter> is not supplied.
   </simpara>
   <para>
    This function will use the <envar>TZ</envar> environment variable (if