Add logrotate documentation suggestion.

docs/how-to/inspect-your-backups.md

@@ -95,7 +95,8 @@ borgmatic --log-file /path/to/file.log
 ```
 
 Note that if you use the `--log-file` flag, you are responsible for rotating
-the log file so it doesn't grow too large. Also, there is a
+the log file so it doesn't grow too large, for example with
+[logrotate](https://wiki.archlinux.org/index.php/Logrotate). Also, there is a
 `--log-file-verbosity` flag to customize the log file's log level.