diff --git a/app/assets/javascripts/darkswarm/all.js.coffee b/app/assets/javascripts/darkswarm/all.js.coffee
index 566ba5d996..aa0fafa058 100644
--- a/app/assets/javascripts/darkswarm/all.js.coffee
+++ b/app/assets/javascripts/darkswarm/all.js.coffee
@@ -9,6 +9,7 @@
 #= require angular-animate
 #= require angular-resource
 #= require lodash.underscore.js
+# bluebird.js is a dependency of angular-google-maps.js 2.0.0
 #= require bluebird.js
 #= require angular-scroll.min.js
 #= require angular-google-maps.min.js