minor changes

index.md

@@ -3,11 +3,9 @@
 <img src="img/r3-training-logo.png" class="as-is" height="200px">
 
 <br><br><br><br>
-<br><br>
+<br>
 
 January 24th, 2019
 
 **Laurent Heirendt, Ph.D.**<br>
-laurent.heirendt@uni.lu
-
-<br><br><br><br>
+laurent.heirendt@uni.lu
\ No newline at end of file

merge.md

-## Merge a branch
+## Pull and merge requests
 
-If you want your feature on the `develop` or `master` branches,
+If you want your changes to be reflected on the `develop` or `master` branches,
 **submit a MR or a PR** via the Github/Gitlab interface.
 
 <br>