diff --git a/reference/filesystem/functions/fwrite.xml b/reference/filesystem/functions/fwrite.xml
index 7b360aec4b..827db71296 100644
--- a/reference/filesystem/functions/fwrite.xml
+++ b/reference/filesystem/functions/fwrite.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.3 $ -->
+<!-- $Revision: 1.4 $ -->
 <!-- splitted from ./en/functions/filesystem.xml, last change in rev 1.2 -->
   <refentry id="function.fwrite">
    <refnamediv>
@@ -25,7 +25,7 @@
     </simpara>
     <simpara>
      <function>fwrite</function> returns the number of bytes
-     written, or -1 on error.
+     written, or &false on error.
     </simpara>
     <simpara>
      Note that if the <parameter>length</parameter> argument is given,