[gjs] lang: fix typo in link to mootools

[Cosimo Cecchi <cosimoc src gnome org>]

commit c44957f8d6d94db2d95d51e89f12f64955981382
Author: Ben Iofel <iofelben gmail com>
Date:   Sat Nov 7 22:27:14 2015 -0500

    lang: fix typo in link to mootools
    
    https://bugzilla.gnome.org/show_bug.cgi?id=757763

 modules/lang.js |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/modules/lang.js b/modules/lang.js
index b9d16f4..1852dbe 100644
--- a/modules/lang.js
+++ b/modules/lang.js
@@ -98,7 +98,7 @@ function bind(obj, callback) {
 
 // Class magic
 // Adapted from MooTools, MIT license
-// https://github.com/mootools/moootools-core
+// https://github.com/mootools/mootools-core
 
 function _Base() {
     throw new TypeError('Cannot instantiate abstract class _Base');