Tweak comment, "usable" is the purpose of this method, it's just confusing otherwise

diff --git a/includes/User.php b/includes/User.php
index fb735e8..b663cd2 100644 (file)
--- a/includes/User.php
+++ b/includes/User.php
@@ -452,7 +452,7 @@ class User {
        static function isUsableName( $name ) {
                global $wgReservedUsernames;
                return
-                       // Must be a usable username, obviously ;)
+                       // Must be a valid username, obviously ;)
                        self::isValidUserName( $name ) &&
                        
                        // Certain names may be reserved for batch processes.