Fix minor naming issue

roles/matrix-bot-maubot/defaults/main.yml

@@ -29,8 +29,8 @@ matrix_mau_environment_variables_extension: ''
 # A list of extra arguments to pass to the container
 matrix_bot_maubot_container_extra_arguments: []
 
-# List of systemd services that matrix-bot-matrix-registration-bot.service depends on
+# List of systemd services that matrix-bot-maubot.service depends on
 matrix_bot_maubot_systemd_required_services_list: ['docker.service']
 
-# List of systemd services that matrix-bot-matrix-registration-bot.service wants
+# List of systemd services that matrix-bot-maubot.service wants
 matrix_bot_maubot_systemd_wanted_services_list: []