README.06.facebook.rdoc in happy_seed-0.0.7

- old
+ new

@@ -20,5 +20,9 @@
 ```
 
 ### What needs to be done?
 
 In config/initializers/devise.rb make sure that the scope you are requesting is correct.
+
+Since you need to set the callbacks as urls, you'll need to create one app for local development and another app for production.  (Possibly one for staging as well.)
+
+https://developers.facebook.com
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