docs: fix grammar in README (#277)

Author: unpleased

README.md

@@ -99,7 +99,7 @@ To enable these features, enable App Settings -> `act as Apple Device`.
 
 #### A few notes
 
-- Due to recent AirPods' firmware upgrades, you must enable `Off listening mode` to switch to `Off`. This is because in this mode, louds sounds are not reduced.
+- Due to recent AirPods' firmware upgrades, you must enable `Off listening mode` to switch to `Off`. This is because in this mode, loud sounds are not reduced.
 
 - If you have take both AirPods out, the app will automatically switch to the phone speaker. But, Android might keep on trying to connect to the AirPods because the phone is still connected to them, just the A2DP profile is not connected. The app tries to disconnect the A2DP profile as soon as it detects that Android has connected again if they're not in the ear.