Changed link

README.md

@@ -231,7 +231,7 @@ You don't necessarily need to be a developer to become a contributor. We can use
 
 If you know how to code, we primarily use Python (Django), Javascript (React), HTML and SCSS. See the [Development Quickstart](http://docs.webodm.org/#development-quickstart) and [Contributing](/CONTRIBUTING.md) documents for more information.
 
-To make a contribution, you will need to open a pull request ([here's how](https://www.thinkful.com/learn/github-pull-request-tutorial/)). To make changes to WebODM, make a clone of the repository and run `./devenv.sh start`.
+To make a contribution, you will need to open a pull request ([here's how](https://github.com/Roshanjossey/first-contributions#fork-this-repository)). To make changes to WebODM, make a clone of the repository and run `./devenv.sh start`.
 
 If you have questions visit us on the [forum](http://community.opendronemap.org/c/webodm) and we'll be happy to help you out with your first contribution.