edited homepage to reflect contents

Author: axiezai

index.md

@@ -2,11 +2,13 @@
 layout: lesson
 ---
 
-The core tools: shell, version control, etc. and how proficiency in the use of these tools promotes reproducibility in your research.
+Become proficient with version control concepts, and work collaboratively through GitHub.
 
-This module is a part of the training curriculum from
+This module is partly inspired by the training curriculum from
 the [ReproNim](http://www.reproducibleimaging.org) (Reproducible Neuroimaging) Center.
 
+Contents of this module has been borrowed from the [Neurohackademy Git Tutorial](https://neurohackademy.org/course/collaborating-with-git-and-github/)
+
 The [template](https://github.com/repronim/module-template) for all
 ReproNim modules is based on templates from the
 [Neurohackweek]({{site.nhw_site }}), [Data Carpentry]({{ site.dc_site }})