Update README.md

Author: Admin9705

README.md

@@ -260,7 +260,7 @@ Environment="API_TIMEOUT=60"
 Environment="MONITORED_ONLY=true"
 Environment="SKIP_FUTURE_RELEASES=true"
 Environment="HUNT_MISSING_MOVIES=1"
-Environment="HUNT_UPGRADE_MOVIES=5"
+Environment="HUNT_UPGRADE_MOVIES=0"
 Environment="SLEEP_DURATION=900"
 Environment="RANDOM_SELECTION=true"
 Environment="STATE_RESET_INTERVAL_HOURS=168"