How to avoid internet security warning openfb Phonegap

Iam using this to connect facebook

   http://coenraets.org/blog/2014/04/facebook-phonegap-cordova-without-plugin/

      

        
        
        
      

    

Facebook was successful and it was amazed at the success SECURITY WARNING: Please treat the URL above like your password and don't share it with anyone. For more information, see the Facebook Help Center.

How to overcome this.