diff --git a/src/wp-includes/capabilities.php b/src/wp-includes/capabilities.php
index e6526daa82..9ed3447e6c 100644
--- a/src/wp-includes/capabilities.php
+++ b/src/wp-includes/capabilities.php
@@ -408,6 +408,8 @@ function map_meta_cap( $cap, $user_id ) {
  * While checking against particular roles in place of a capability is supported
  * in part, this practice is discouraged as it may produce unreliable results.
  *
+ * Note: Will always return true if the current user is a super admin, unless specifically denied.
+ *
  * @since 2.0.0
  *
  * @see WP_User::has_cap()