Document enable/disable self monitoring project

- Document how to enable/disable the self-monitoring project.

doc/administration/monitoring/gitlab_self_monitoring_project/index.md

@@ -19,17 +19,26 @@ members to the group in order to give them maintainer access to the project.
 
 This project will be used for self monitoring your GitLab instance.
 
-## Activating or deactivating the self monitoring project
+## Activating the self monitoring project
 
-1. Navigate to **Admin Area > Settings > Metrics and profiling** and expand the **Self monitoring** section.
-1. Toggle on or off the **Create Project** button to create or remove the "GitLab self monitoring" project.
-1. Click **Save changes** for the changes to take effect.
+1. Navigate to **Admin Area > Settings > Metrics and profiling**, and expand the **Self monitoring** section.
+1. Toggle the **Create Project** button on.
+1. It can take a few seconds for the project to be created. After the project is
+created, GitLab displays a message with a link to the project. The project
+will also be linked in the help text above the **Create Project** button. You can also
+find the project under **Projects > Your projects**.
 
-If you activated the monitoring project, it should now be visible in **Projects > Your projects**.
+## Deactivating the self monitoring project
 
 CAUTION: **Warning:**
 If you deactivate the self monitoring project, it will be permanently deleted.
 
+1. Navigate to **Admin Area > Settings > Metrics and profiling**, and expand the **Self monitoring** section.
+1. Toggle the **Create Project** button off.
+1. In the confirmation dialog that opens, click **Delete project**.
+   It can take a few seconds for it to be deleted.
+1. After the project is deleted, GitLab displays a message confirming your action.
+
 ## Connection to Prometheus
 
 The project will be automatically configured to connect to the