diff --git a/reference/msql/functions/msql-fetch-field.xml b/reference/msql/functions/msql-fetch-field.xml
index a84bae4211..58a5766489 100644
--- a/reference/msql/functions/msql-fetch-field.xml
+++ b/reference/msql/functions/msql-fetch-field.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.6 $ -->
+<!-- $Revision: 1.7 $ -->
 <!-- splitted from ./en/functions/msql.xml, last change in rev 1.2 -->
   <refentry id="function.msql-fetch-field">
    <refnamediv>
@@ -40,11 +40,6 @@
         not_null - 1 if the column cannot be &null;
        </simpara>
       </listitem>
-      <listitem>
-       <simpara>
-        primary_key - 1 if the column is a primary key
-       </simpara>
-      </listitem>
       <listitem>
        <simpara>
         unique - 1 if the column is a unique key