Index: wp-includes/user.php
===================================================================
--- wp-includes/user.php	(revision 19694)
+++ wp-includes/user.php	(working copy)
@@ -723,8 +723,8 @@
  * @since MU 1.1
  * @uses get_blogs_of_user()
  *
- * @param int $user_id The unique ID of the user
- * @param int $blog Optional. If no blog_id is provided, current site is used
+ * @param int $user_id The unique ID of the user.
+ * @param int $blog_id Optional. If no blog_id is provided, current site is used.
  * @return bool
  */
 function is_user_member_of_blog( $user_id = 0, $blog_id = 0 ) {