diff --git a/wp-includes/ms-load.php b/wp-includes/ms-load.php
index 55659a2822..dc4beb1dbb 100644
--- a/wp-includes/ms-load.php
+++ b/wp-includes/ms-load.php
@@ -73,8 +73,14 @@ function ms_site_check() {
 
 	$blog = get_blog_details();
 
-	// Allow short-circuiting
-	$check = apply_filters('ms_site_check', null);
+	/**
+	 * Filter checking the status of the current blog.
+	 * 
+	 * @since 1.2.1
+	 * 
+	 * @param bool null Whether to skip the blog status check. Default null.
+	*/
+	$check = apply_filters( 'ms_site_check', null );
 	if ( null !== $check )
 		return true;