You don't own the repository so you have no permission to push to it. What you have to do in this situation is create a fork on the github site, make your chan

You don't own the repository so you have no permission to push to it. What you have to do in this situation is create a fork on the github site, make your changes there, which you'll have permission to do. If you make your changes on a branch you can then send a "pull request" to the original author to get your changes. This might be a helpful read: https://help.github.com/articles/creating-a-pull-request/ https://help.github.com/articles/creating-a-pull-request/