diff --git a/reference/datetime/functions/strtotime.xml b/reference/datetime/functions/strtotime.xml
index 2442352a3f..b8ef6f890e 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: 1.15 $ -->
+<!-- $Revision: 1.16 $ -->
 <!-- splitted from ./en/functions/datetime.xml, last change in rev 1.8 -->
 <refentry id="function.strtotime">
  <refnamediv>
@@ -152,7 +152,8 @@ if (($timestamp = strtotime($str)) === false) {
     Additionally, not all platforms support negative timestamps, therefore
     your date range may be limited to no earlier than the Unix epoch. This
     means that e.g. dates prior to Jan 1, 1970 will not work on Windows,
-    some Linux distributions, and a few other operating systems.
+    some Linux distributions, and a few other operating systems. PHP 5.1.0 and
+    newer versions overcome this limitation though.
    </para>
   </note>
  </refsect1>