[ci skip] tweak upgrade doc
[ci skip] tweak upgrade doc

rjsargent/gsDevKitHome,LisaAlmarode/gsDevKitHome,marianopeck/gsDevKitHome,GsDevKit/gsDevKitHome,rjsargent/gsDevKitHome,LisaAlmarode/gsDevKitHome,marianopeck/gsDevKitHome,GsDevKit/gsDevKitHome