Update docs/faq.md and docs/maintenance-and-troubleshooting.md: adopt the common description

Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org>

docs/faq.md

@@ -419,7 +419,7 @@ Available service names can be seen by doing `ls /etc/systemd/system/matrix*.ser
 
 Some services also log to files in `/matrix/*/data/..`, but we're slowly moving away from that.
 
-We also disable Docker logging, so you can't use `docker logs matrix-*` either. We do this to prevent useless double (or even triple) logging and to avoid having to rotate log files.
+To prevent double-logging, Docker logging is disabled by explicitly passing `--log-driver=none` to all containers. Due to this, you **cannot** view logs using `docker logs matrix-*`.
 
 We just simply delegate logging to journald and it takes care of persistence and expiring old data.
 

docs/maintenance-and-troubleshooting.md

@@ -20,7 +20,7 @@ To view systemd-journald logs using [journalctl](https://man.archlinux.org/man/j
 sudo journalctl -fu matrix-synapse
 ```
 
-**Note**: to prevent double-logging, Docker logging is disabled by explicitly passing `--log-driver=none` to all containers. Due to this, you **cannot** view logs using `docker logs`.
+**Note**: to prevent double-logging, Docker logging is disabled by explicitly passing `--log-driver=none` to all containers. Due to this, you **cannot** view logs using `docker logs matrix-*`.
 
 ## How to check if services work