--- annotate.install.ORIG	2009-08-05 00:15:26.000000000 +0000
+++ annotate.install	2009-08-05 00:16:51.000000000 +0000
@@ -19,7 +19,7 @@ function annotate_schema() {
       'uid' => array('uid'),
       'nid' => array('nid'),
     ),
-    'primary key' => array('uid', 'nid'),
+    'primary key' => array('uid', 'nid', 'timestamp'),		// added timestamp so we can have multiple notes per uid+nid
   );
   
   return $schema;