diff --git a/reference/image/functions/getimagesize.xml b/reference/image/functions/getimagesize.xml
index c672e10715..e945935f97 100644
--- a/reference/image/functions/getimagesize.xml
+++ b/reference/image/functions/getimagesize.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.7 $ -->
+<!-- $Revision: 1.8 $ -->
 <!-- splitted from ./en/functions/image.xml, last change in rev 1.36 -->
  <refentry id="function.getimagesize">
   <refnamediv>
@@ -100,7 +100,7 @@ if ($size && $fp) {
    <para>
     If accessing the <parameter>filename</parameter> image is impossible,
     or if it isn't a valid picture, <function>getimagesize</function>
-    will return &null; and generate a warning.
+    will return &false; and generate a warning.
    </para>
    <para>
     The optional <parameter>imageinfo</parameter> parameter allows