Updated the Contributing Guidelines

CONTRIBUTING.md

@@ -8,19 +8,19 @@ Chess is a perfect topic for learning full-stack web development as well as for
 
 - Find a ChesslaBlab repo and make sure to read its `CONTRIBUTING.md` file.
 - Look at the open issues.
-- Leave the following comment on the issue you want to be assigned to: "Hi there, happy learning and coding!"
+- Add the following comment to the issue you want to be assigned to: "Hi there, happy learning and coding!"
 - Be prepared to create a friendly PR once the issue has been assigned to you.
 
-Once you're ready, [fork the repo](https://docs.github.com/get-started/quickstart/fork-a-repo) and create a new branch from `main` as per the following convention.
+Once you're ready, [fork the repo](https://docs.github.com/es/get-started/quickstart/fork-a-repo) and create a new branch from `main` as per the following convention.
 
 ```text
 $ git checkout -b issue/n-the-title-of-the-issue
 ```
 
-For example, if the title of the issue is [Update to MUI 5 #236](https://github.com/chesslablab/redux-chess/issues/236) then its corresponding Git branch should be checked out from the main branch like this.
+For example, if the title of the issue is [Document the POST /v1/tutor/fen endpoint #165](https://github.com/chesslablab/chess-api/issues/165) then its corresponding Git branch should be checked out from the main branch like this.
 
 ```text
-$ git checkout -b issue/236-update-to-MUI-5
+$ git checkout -b issue/165-document-the-post-v1-tutor-fen-endpoint
 ```
 
 That's it!