add changes requested by a colleague ;-)

slides/branches.md

@@ -87,7 +87,7 @@ Once merged, you can delete the branch via the interface.
 ## Gitlab interface
 <img src="https://gitlab.com/gitlab-com/gitlab-artwork/raw/master/logo/logo.png" alt="GitLab" style="width: 100px;"/>
 
-Detailed information is [docs.gitlab.com/ce/gitlab-basics/add-merge-request.html](https://docs.gitlab.com/ce/gitlab-basics/add-merge-request.html).
+Detailed information is on [docs.gitlab.com/ce/gitlab-basics/add-merge-request.html](https://docs.gitlab.com/ce/gitlab-basics/add-merge-request.html).
 
 1. Click on **New merge request**
 
@@ -108,7 +108,7 @@ Detailed information is [docs.gitlab.com/ce/gitlab-basics/add-merge-request.html
 ## Github interface
 <img src="https://assets-cdn.github.com/images/modules/logos_page/GitHub-Mark.png" alt="GitHub" style="width: 100px;"/>
 
-Detailed information is [help.github.com/articles/creating-a-pull-request/](https://help.github.com/articles/creating-a-pull-request/).
+Detailed information is on [help.github.com/articles/creating-a-pull-request/](https://help.github.com/articles/creating-a-pull-request/).
 
 1. Click on **New pull request**