Updated log names. Should be easier to find if you forget to delete old logs. Now just called fenrir.log, we don't tend to need to have multiple logs anyway.

docs/user.md

@@ -428,7 +428,7 @@ For a dedicated PTY/terminal screen reader, see TDSR: https://github.com/tspivey
 ### Debug Mode
 ```bash
 sudo fenrir -f -d
-# Debug output goes to /var/log/fenrir.log
+# Debug output goes to /tmp/fenrir.log
 ```
 
 ## Getting Help