diff --git a/reference/gmp/functions/gmp-setbit.xml b/reference/gmp/functions/gmp-setbit.xml
index 1617201a33..2b1d7ec860 100644
--- a/reference/gmp/functions/gmp-setbit.xml
+++ b/reference/gmp/functions/gmp-setbit.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.3 $ -->
+<!-- $Revision: 1.4 $ -->
 <!-- splitted from ./en/functions/gmp.xml, last change in rev 1.1 -->
   <refentry id="function.gmp-setbit">
    <refnamediv>
@@ -18,7 +18,7 @@
      Sets bit <parameter>index</parameter> in
      <parameter>a</parameter>. <parameter>set_clear</parameter>
      defines if the bit is set to 0 or 1. By default the bit is set to
-     1. Index 
+     1. Index starts at 0.
     </para>
     <note>
      <para>