diff --git a/src/wp-includes/ms-deprecated.php b/src/wp-includes/ms-deprecated.php
index 33b544ff7d..19224d78d7 100644
--- a/src/wp-includes/ms-deprecated.php
+++ b/src/wp-includes/ms-deprecated.php
@@ -122,6 +122,8 @@ endif;
  * @since MU
  * @deprecated 3.0.0 Use get_user_by()
  * @see get_user_by()
+ *
+ * @param string $username Username.
  */
 function get_user_details( $username ) {
 	_deprecated_function( __FUNCTION__, '3.0', 'get_user_by()' );
@@ -134,6 +136,8 @@ function get_user_details( $username ) {
  * @since MU
  * @deprecated 3.0.0 Use clean_post_cache()
  * @see clean_post_cache()
+ *
+ * @param int $post_id Post ID.
  */
 function clear_global_post_cache( $post_id ) {
 	_deprecated_function( __FUNCTION__, '3.0', 'clean_post_cache()' );
@@ -173,6 +177,10 @@ function validate_email( $email, $check_domain = true) {
  * @since MU
  * @deprecated 3.0.0 Use wp_get_sites()
  * @see wp_get_sites()
+ *
+ * @param int    $start      Optional. Offset for retrieving the blog list. Default 0.
+ * @param int    $num        Optional. Number of blogs to list. Default 10.
+ * @param string $deprecated Unused.
  */
 function get_blog_list( $start = 0, $num = 10, $deprecated = '' ) {
 	_deprecated_function( __FUNCTION__, '3.0', 'wp_get_sites()' );
@@ -203,6 +211,8 @@ function get_blog_list( $start = 0, $num = 10, $deprecated = '' ) {
  * @since MU
  * @deprecated 3.0.0
  *
+ * @param int  $num     Optional. Number of activate blogs to retrieve. Default 10.
+ * @param bool $display Optional. Whether or not to display the most active blogs list. Default true.
  * @return array List of "most active" sites.
  */
 function get_most_active_blogs( $num = 10, $display = true ) {
@@ -254,7 +264,7 @@ function get_most_active_blogs( $num = 10, $display = true ) {
  * @deprecated 3.3.0 Use wp_redirect()
  * @see wp_redirect()
  *
- * @param string $url
+ * @param string $url Optional. Redirect URL. Default empty.
  */
 function wpmu_admin_do_redirect( $url = '' ) {
 	_deprecated_function( __FUNCTION__, '3.3' );
@@ -293,7 +303,7 @@ function wpmu_admin_do_redirect( $url = '' ) {
  * @deprecated 3.3.0 Use add_query_arg()
  * @see add_query_arg()
  *
- * @param string $url
+ * @param string $url Optional. Redirect URL. Default empty.
  * @return string
  */
 function wpmu_admin_redirect_add_updated_param( $url = '' ) {