migrating from Freenode to standalone Matrix rooms

static/install/cli.html

@@ -444,7 +444,7 @@ curl -O https://releases.grapheneos.org/redfin-factory-2021.04.05.20.zip.sig</pr
                     <p>The text output from a failed attempt at flashing will contain valuable
                     diagnostic information which is essential in knowing where and how the process
                     went wrong. Please provide this information when asking for help on the
-                    GrapheneOS IRC / Matrix channel.</p>
+                    <a href="/contact#community">GrapheneOS chat room</a>.</p>
 
                     <p>A common issue on Linux distributions is that they mount the default temporary file
                     directory <code>/tmp</code> as tmpfs which results in it being backed by memory and