Update docs

docs/debug-reset_pw.md

@@ -1,10 +1,10 @@
 ## mailcow Admin Account
 
-Reset mailcow admin to `admin:moohoo`:
+Reset mailcow admin to `admin:moohoo`. Older mailcow: dockerized installations may find `mailcow-reset-admin.sh` in their mailcow root directory (mailcow_path).
 
 ```
 cd mailcow_path
-bash mailcow-reset-admin.sh
+./helper-scripts/mailcow-reset-admin.sh
 ```
 
 ## Reset MySQL Passwords

docs/u_e-mailcow_ui-config.md

@@ -7,6 +7,7 @@ mailcow UI configuration parameters can be to...
 - ...change the default language[^1]
 - ...change the default bootstrap theme
 - ...set a password complexity regex
+- ...enable DKIM private key visibility
 - ...add mailcow app buttons to the login screen
 - ...set a pagination trigger
 - ...set action after submitting forms (stay in form, return to previous page)