diff --git a/doc/development/object_state_models.md b/doc/development/object_state_models.md
index bb97b17e83f12fd0c5ea927b6c73bf26d7496556..ac215bdca38795363f10784bdb351b480d8ef301 100644
--- a/doc/development/object_state_models.md
+++ b/doc/development/object_state_models.md
@@ -1,27 +1,32 @@
 # Object state models
 
 ## Contents
+
 * [Diagrams](#diagrams)
 * [Legend](#legend)
 * [Issue](#issue)
 * [Merge request](#merge-request)
 
 ## Diagrams
+
 [GitLab object state models](https://drive.google.com/drive/u/3/folders/0B5tDlHAM4iZINmpvYlJXcDVqMGc)
 
 ---
 
 ## Legend
+
 ![legend](img/state-model-legend.png)
 
 --- 
 
 ## Issue
+
 [`app/models/issue.rb`](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/app/models/issue.rb)
 ![issue](img/state-model-issue.png)
 
 --- 
 
 ## Merge request
+
 [`app/models/merge_request.rb`](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/app/models/merge_request.rb)
 ![merge request](img/state-model-merge-request.png)
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