diff --git a/wp-includes/user.php b/wp-includes/user.php
index 6410f87c31..768ea68d9d 100644
--- a/wp-includes/user.php
+++ b/wp-includes/user.php
@@ -722,7 +722,7 @@ function get_blogs_of_user( $user_id, $all = false ) {
 /**
  * Checks if the current user belong to a given blog.
  *
- * @since 3.0.0
+ * @since MU
  *
  * @param int $blog_id Blog ID
  * @return bool True if the current users belong to $blog_id, false if not.