Update 'README.md'

README.md

@@ -141,7 +141,7 @@ The app will run an auto-diagnostic, which might fail to connect to network in t
 
 But it's not so bad: with the ports redirections, it works nonetheless.
 
-Just choose (c)onfigure in the menu when asked to access the configuration menu.
+Just choose `(c)onfigure` in the menu when asked to access the configuration menu.
 
 Enter the value `127.0.0.1` for the `#1 The IP address for webui` key.