diff --git a/doc/project_services/img/mattermost_console_integrations.png b/doc/project_services/img/mattermost_console_integrations.png
index b3b8c20d7bf14dee21cbb5bc335c9f83fe1e050c..92a30da5be0cb8e18d40dd39e2d5db1b9ba204e9 100644
Binary files a/doc/project_services/img/mattermost_console_integrations.png and b/doc/project_services/img/mattermost_console_integrations.png differ
diff --git a/doc/project_services/mattermost_slash_commands.md b/doc/project_services/mattermost_slash_commands.md
index 1507dfa3abda0777a34922bc68b274bcfd313f3b..6fcbf6f1642c145eba773491767742641f0cba44 100644
--- a/doc/project_services/mattermost_slash_commands.md
+++ b/doc/project_services/mattermost_slash_commands.md
@@ -22,6 +22,9 @@ commands in Mattermost and then enable the service in GitLab.
 
 ### Step 1. Enable custom slash commands in Mattermost
 
+This step is only required when using a source install, omnibus installs will be
+preconfigured with the right settings. 
+
 The first thing to do in Mattermost is to enable custom slash commands from
 the administrator console.
 
@@ -32,8 +35,9 @@ the administrator console.
 
     ---
 
-1. Click **Custom integrations** and set **Enable Custom Slash Commands** to
-   true.
+1. Click **Custom integrations** and set **Enable Custom Slash Commands**, 
+   **Enable custom integrations to override usernames**, and **Override 
+   custom integrations to override profile picture icons** to true
 
     ![Mattermost console](img/mattermost_console_integrations.png)