Improve Upgrader.Upgrade doc
Improve Upgrader.Upgrade doc

helight/helight_code,helight/helight_code,helight/helight_code,helight/helight_code,helight/helight_code,your-org/websocket,gorilla/websocket,helight/helight_code,helight/helight_code,y3llowcake/websocket,skyportsystems/websocket,helight/helight_code,helight/helight_code