fix usage help for bucket add
fix usage help for bucket add

berwyn/scoop,guillermooo-forks/scoop,deepwaterdiver/scoop,vidarkongsli/scoop,deevus/scoop-powershell2,moigagoo/scoop,barohatoum/scoop,yunspace/scoop,rmyorston/scoop,rasa/scoop,Congee/scoop,huncrys/scoop,bpollack/scoop,pacificcoast/scoop,kodybrown/scoop,rivy/scoop,pacificcoast/scoop,systemexitzero/scoop,ErnWong/scoop,bcomnes/scoop,barohatoum/scoop,nikolasd/scoop,rivy/ladle,devoncarew/scoop,vinaynambiar/lukesampson-,ShwoognationHQ/scoop,huncrys/scoop,dennislloydjr/scoop,dennislloydjr/scoop,deepwaterdiver/scoop,reelsense/scoop,rodericktech/scoop,lukesampson/scoop,r15ch13/scoop,rivy/ladle,toxeus/scoop,seonho/scoop,coonce/scoop,nueko/scoop,Cyianor/scoop,damnhandy/scoop,DarylWright/scoop,saildata/scoop