(#39) Docs: improve the maintenance instructions

Author: ForNeVeR

xmpp2/README.md

@@ -34,5 +34,6 @@ $ docker exec -i loglist.postgresql pg_dump -d loglist -U postgres -F custom --n
 ### Restore Database Backup for LogList
 ```console
 $ docker cp loglist.dmp loglist.postgresql:/loglist.dmp
-$ docker exec -i loglist.postgresql pg_restore -d loglist -U loglist --clean -1 /loglist.dmp
+$ docker exec -i loglist.postgresql pg_restore -d loglist -U loglist --clean --no-owner -1 /loglist.dmp
+$ docker exec -i loglist.postgresql rm /loglist.dmp
 ```

xmpp2/certbot.yml

@@ -16,7 +16,7 @@
     # One-time setup should be performed manually, see the documentation:
     # https://certbot.eff.org/instructions?ws=nginx&os=snap&tab=standard
     #
-    # sudo certbot certonly --nginx -d codingteam.org.ru -d loglist.xyz -d www.loglist.xyz
+    # sudo certbot --nginx -d codingteam.org.ru -d loglist.xyz -d www.loglist.xyz
     #
     # Verify the changes to the web server configuration files performed by this command.
     #