Changes based on feedback

Signed-off-by: Andre Wanlin <67169551+awanlin@users.noreply.github.com>

docs/getting-started/create-an-app.md

@@ -106,9 +106,8 @@ example [here](https://www.python.org/downloads/) to install it.
 
 #### Could not execute command yarn install
 
-Install yarn on your system with `npm install --global yarn` or for more details
-refer to the
-[prerequisites](https://backstage.io/docs/getting-started/#prerequisites)
+Install Yarn on your system with `npm install --global yarn` or for more details
+refer to the [prerequisites](index.md#prerequisites).
 
 ## Run the app
 

docs/getting-started/index.md

@@ -15,9 +15,7 @@ system using tools like apt-get, npm, yarn, curl. Docker knowledge is also
 helpful for making the best use of your Backstage installation.
 
 If you are planning to contribute plugins or to the project in general, we advise
-you to use the
-[Contributors](https://backstage.io/docs/getting-started/contributors)
-guide to do a repository-based installation.
+you to use the [Contributors](contributors.md) guide to do a repository-based installation.
 
 ### Prerequisites