documentation: fixed typo

docs/install_application.md

@@ -112,7 +112,7 @@ XDG_RUNTIME_DIR="/run/user/${USER_ID}"
 
 You can change various settings here, for example the audio sounds which are played when the wake word is detected or when the timer is finished.
 
-💡 **Note:** You can exit vim with :wq or :q! if you dont want to save the changes.
+💡 **Note:** You can exit vim with `:wq` or `:q!` if you dont want to save the changes.
 
 Start the application:
 ``` sh