Fixed broken link (#6874)

source/collaborate/use-mattermost-google-calendar-plugin.rst

@@ -4,7 +4,7 @@ Use the Mattermost Google Calendar plugin
 .. include:: ../_static/badges/allplans-cloud-selfhosted.rst
   :start-after: :nosearch:
 
-`The Mattermost Google Calendar plugin </about/mattermost-google-calendar-plugin.html>`__ enables you to manage events using a two-way integration between Mattermost and Google Calendar without leaving Mattermost.
+`The Mattermost Google Calendar plugin </about/mattermost-google-calendar-integration.html>`__ enables you to manage events using a two-way integration between Mattermost and Google Calendar without leaving Mattermost.
 
 .. note..
 
@@ -66,4 +66,4 @@ You can use the following Mattermost slash commands to review your upcoming Goog
 - See a summary of today's events by entering the slash command ``/gcal today`` in the message text field.
 - See a summary of tomorrow's events by entering the slash command ``/gcal tomorrow`` in the message text field.
 - See a summary of the week's events by entering the slash command ``/gcal viewcal`` in the message text field.
-- Update your plugin preferences any time by entering the Mattermost slash command ``/gcal settings`` in the message text field.
+- Update your plugin preferences any time by entering the Mattermost slash command ``/gcal settings`` in the message text field.