fix a comment typo in ui/__init__.py
fix a comment typo in ui/__init__.py

SusannaMaria/beets,MyTunesFreeMusic/privacy-policy,Kraymer/beets,Kraymer/beets,jackwilsdon/beets,shamangeorge/beets,sampsyo/beets,ibmibmibm/beets,xsteadfastx/beets,madmouser1/beets,pkess/beets,madmouser1/beets,lengtche/beets,xsteadfastx/beets,artemutin/beets,beetbox/beets,jackwilsdon/beets,sampsyo/beets,mosesfistos1/beetbox,Kraymer/beets,SusannaMaria/beets,lengtche/beets,madmouser1/beets,sampsyo/beets,xsteadfastx/beets,lengtche/beets,jackwilsdon/beets,jackwilsdon/beets,mosesfistos1/beetbox,madmouser1/beets,xsteadfastx/beets,MyTunesFreeMusic/privacy-policy,jcoady9/beets,ibmibmibm/beets,diego-plan9/beets,beetbox/beets,SusannaMaria/beets,jcoady9/beets,pkess/beets,jcoady9/beets,MyTunesFreeMusic/privacy-policy,diego-plan9/beets,artemutin/beets,shamangeorge/beets,sampsyo/beets,pkess/beets,mosesfistos1/beetbox,mosesfistos1/beetbox,SusannaMaria/beets,pkess/beets,ibmibmibm/beets,shamangeorge/beets,beetbox/beets,artemutin/beets,ibmibmibm/beets,artemutin/beets,MyTunesFreeMusic/privacy-policy,jcoady9/beets,shamangeorge/beets,lengtche/beets,diego-plan9/beets,beetbox/beets,diego-plan9/beets,Kraymer/beets