Merge branch 'master' into add-thegreyelephant

Contributors.md

@@ -475,3 +475,6 @@
 - [Kristof Arron](https://github.com/KristofArron)
 - [Jemal Ahmedov](https://github.com/jimjja)
 - [Mary Hull](https://github.com/thegreyelephant)
+- [Rishabh Mishra](https://github.com/rishabh09)
+- [Connor Parsons](https://github.com/southcapital)
+- [Joost Kneepkens](https://github.com/kneepnl)

README.md

@@ -90,7 +90,7 @@ Now submit the pull request.
 
 Soon I'll be merging all your changes into the master branch of this project. You will get a notification email once the changes have been merged.
 
-### [ Next steps ](additional-material)
+### [ Additional material ](additional-material/additional-material.md)
 
 ## Tutorials Using Other Tools
 

additional-material/additional-material.md

@@ -0,0 +1,9 @@
+# Additional information
+
+### [ Keeping your fork synced with the repository ](keeping-your-fork-synced-with-this-repository.md)
+This document provides information about how to keep your forked repository up-to-date with the base repository.
+> Follow these steps if your fork doesn't have any changes in parent repository.
+
+### [ Removing branch from your repository ](removing-branch-from-your-repository.md)
+This document provides information about how to delete a branch from your repository.
+> Only do these steps after your pull request get's merged.