diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 1bd91f0bdcebafee901b86203b196d7c3282794d..e7659b06c7124f0e829e1eff96787be1d958e66f 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -255,6 +255,8 @@ For examples of feedback on merge requests please look at already
 request feel free to mention one of the Merge Marshalls of the [core team][].
 Please ensure that your merge request meets the contribution acceptance criteria.
 
+When having your code reviewed and when reviewing merge requests please take the [thoughtbot code review guidelines](https://github.com/thoughtbot/guides/tree/master/code-review) into account.
+
 ## Definition of done
 
 If you contribute to GitLab please know that changes involve more than just