Docs update for recent watcher logging changes

README.md

@@ -229,10 +229,9 @@ Instead of manually running a scan every time your library changes, you can run
 a watcher that will listen to any library change and update the database
 accordingly.
 
-The watcher is `supysonic-watcher`, it is a non-exiting process and doesn't
-print anything to the console. If you want to keep it running in background,
-either use the old `nohup` or `screen` methods, or start it as a simple
-_systemd_ unit (unit file not included).
+The watcher is `supysonic-watcher`, it is a non-exiting process. If you want to
+keep it running in background, either use the old `nohup` or `screen` methods,
+or start it as a simple _systemd_ unit (unit file not included).
 
 It needs some additional dependencies which can be installed with the following
 command:

config.sample

@@ -30,7 +30,7 @@ log_level = WARNING
 ; single file over a short time span. Default: 5
 wait_delay = 5
 
-; Optional rotating log file for the scanner daemon
+; Optional rotating log file for the scanner daemon. Logs to stderr if empty
 log_file = /var/supysonic/supysonic-daemon.log
 log_level = INFO
 

docs/configuration.md

@@ -120,7 +120,7 @@ have been detected. This prevents running too many scans when multiple changes
 are detected for a single file over a short time span. Default: 5 seconds.
 
 `log_file`: rotating file where events generated by the file watcher are logged.
-Leave empty to disable logging.
+If left empty, any logging will be sent to stderr.
 
 `log_level`: defines the minimum severity threshold of messages to be added to
 `log_file`. Possible values are: `DEBUG`, `INFO`, `WARNING`, `ERROR` and
@@ -133,7 +133,7 @@ Leave empty to disable logging.
 ; single file over a short time span. Default: 5
 wait_delay = 5
 
-; Optional rotating log file for the scanner daemon
+; Optional rotating log file for the scanner daemon. Logs to stderr if empty
 log_file = /var/supysonic/supysonic-daemon.log
 log_level = INFO
 ```