Update installation.md

docs/installation.md

@@ -35,7 +35,7 @@ or
 
 If your Python environment doesn't include `pip`, see these [instructions](https://packaging.python.org/guides/installing-using-linux-tools/#installing-pip-setuptools-wheel-with-linux-package-managers) on installing it.
 
-Once the requirements are successfully installed, the next step is to check out the [Getting Started guide](Getting-Started-with-Balance-Ball.md)
+Once the requirements are successfully installed, the next step is to check out the [Getting Started guide](Getting-Started-with-Balance-Ball.md).
 
 ## Installation Help
 
@@ -48,4 +48,4 @@ For a walkthrough of how to use Jupyter notebook, see [here](http://jupyter-note
 If you run into issues while attempting to install and run Unity ML Agents, see [here](https://github.com/Unity-Technologies/ml-agents/blob/master/docs/Limitations-&-Common-Issues.md) for a list of common issues and solutions.
 
 If you have an issue that isn't covered here, feel free to contact us at ml-agents@unity3d.com. Alternatively, feel free to create an issue on the repository.
-Be sure to include relevant information on OS, Python version, and exact error message if possible.
+Be sure to include relevant information on OS, Python version, and exact error message if possible.