diff --git a/doc.zih.tu-dresden.de/docs/contrib/contribute_browser.md b/doc.zih.tu-dresden.de/docs/contrib/contribute_browser.md
index cf18463adff7680b112148dbd33cc89d3a37c46c..66bb932388eacbb5ea73444388f0272ba6a8f8e9 100644
--- a/doc.zih.tu-dresden.de/docs/contrib/contribute_browser.md
+++ b/doc.zih.tu-dresden.de/docs/contrib/contribute_browser.md
@@ -19,7 +19,7 @@ All articles are stored in the folder "doc.zih.tu-dresden.de".
 Your contribution starts by creating your own independent copy of the reposotory that will hold your edits or addtions. 
 A private copy is created by creating a branch by clicking on "preview->hpc-compendium/ + new branch" as depicted in the following figure ![create new branch](misc/cb_create_new_branch.png).
 
-If you are not familiar with the basics of git-based document revision control yet, please have a look at tutorials like these TODO.
+If you are not familiar with the basics of git-based document revision control yet, please have a look at [tutorials like these](https://docs.gitlab.com/ee/gitlab-basics/).
 Define a branch name that briefly decribes what you plan to change.
 For example: "edits-in-document-xyz". Click on "Create branch" as depicted in Figure ...
 As a result, you should now see your branch's name on top of your list of repository files as depcited in Figure ...