Amplify Documentation Screen Shot

In the amplify documentation, to change the Authorization rule (ie changing from IAM to Cognito), I just have to change the amplify configuation files. But everytime I change this file, whenever I do amplify pull, the configuration is gone and I have to retype it. How do I configure amplify so that this change is saved?

I tried amplify push but that did not save the changes for the next time I pull