diff --git a/Documentation.html b/Documentation.html
index 04c2c4836..20ebad86a 100755
--- a/Documentation.html
+++ b/Documentation.html
@@ -752,7 +752,7 @@ $cfg['PmaAbsoluteUri'] = (!empty($_SERVER['HTTPS']) ? 'https' : 'http') . '://'
                 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;`db_name` varchar(64) NOT NULL default '',<br />
                 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;page_nr int(10) unsigned NOT NULL auto_increment,<br />
                 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;page_descr varchar(50) NOT NULL default '',<br />
-                &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;PRIMARY KEY  (`db_name`,page_nr),<br />
+                &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;PRIMARY KEY  (page_nr),<br />
                 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;KEY  (db_name),<br />
                 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;) TYPE=MyISAM COMMENT='PDF Relationpages for PMA';<br />
                 </tt>