Update docs on creating MRs

doc/gitlab-basics/add-merge-request.md

@@ -3,31 +3,28 @@
 Merge requests are useful to integrate separate changes that you've made to a
 project, on different branches. This is a brief guide on how to create a merge
 request. For more information, check the
-[merge requests documentation](../user/project/merge_requests.md).
+[merge requests documentation](../user/project/merge_requests/index.md).
 
 ---
 
 1. Before you start, you should have already [created a branch](create-branch.md)
    and [pushed your changes](basic-git-commands.md) to GitLab.
-
-1. You can then go to the project where you'd like to merge your changes and
-   click on the **Merge requests** tab.
-
-    ![Merge requests](img/project_navbar.png)
-
+1. Go to the project where you'd like to merge your changes and click on the
+   **Merge requests** tab.
 1. Click on **New merge request** on the right side of the screen.
-
-    ![New Merge Request](img/merge_request_new.png)
-
-1. Select a source branch and click on the **Compare branches and continue** button.
+1. From there on, you have the option to select the source branch and the target
+   branch you'd like to compare to. The default target project is the upstream
+   repository, but you can choose to compare across any of its forks.
 
     ![Select a branch](img/merge_request_select_branch.png)
 
+1. When ready, click on the **Compare branches and continue** button.
 1. At a minimum, add a title and a description to your merge request. Optionally,
    select a user to review your merge request and to accept or close it. You may
    also select a milestone and labels.
 
     ![New merge request page](img/merge_request_page.png)
 
-1. When ready, click on the **Submit merge request** button. Your merge request
-   will be ready to be approved and published.
+1. When ready, click on the **Submit merge request** button.
+
+Your merge request will be ready to be approved and merged.