More cleanup work. This is the job that never ends.

po/tg.po

@@ -4730,7 +4730,7 @@ msgstr ""
 #. Translators: This text is the description displayed when Cthulhu is launched
 #. from the command line and the help text is displayed.
 #: ../src/cthulhu/messages.py:277
-msgid "Report bugs to cthulhu-list@gnome.org."
+msgid "Report bugs to https://groups.io/g/stormux."
 msgstr ""
 
 #. Translators: In chat applications, it is often possible to see that a "buddy"