Update content/community/how-to-join-mattermost.md

Co-authored-by: Matti Schneider <[email protected]>

Author: Aysha-py

content/community/how-to-join-mattermost.md

@@ -4,7 +4,7 @@ title: How to join Mattermost
 
 # How to join Mattermost
 
-Welcome to Open Terms Archive. This document provides guidelines for onboarding new members and contributors joining the Open Terms Archive community on  **Mattermost.**
+Welcome to Open Terms Archive. This document provides guidelines for onboarding new members and contributors joining the Open Terms Archive community on Mattermost.
 
 Open Terms Archive welcomes various contributors, including individual contributors, sponsors, and other entities interested in transparency from the opaqueness of terms by Big Tech services.