=== modified file 'modules/comment/comment.install'
--- modules/comment/comment.install	2008-01-05 22:45:40 +0000
+++ modules/comment/comment.install	2008-01-12 14:23:59 +0000
@@ -62,7 +62,7 @@ function comment_update_6002() {
  * Add index to parent ID field.
  */
 function comment_update_6003() {
-  $ret[] = update_sql("ALTER TABLE {comments} ADD KEY pid (pid)");
+  $ret[] = update_sql("ALTER TABLE {comments} ADD KEY pid(pid)");
   return $ret;
 }