In docs, clarified when 'msg' describes the assertion. Also clarified 'expected' in throws().
In docs, clarified when 'msg' describes the assertion. Also clarified 'expected' in throws().

jtlapp/tape,feross/tape,mstade/tape,substack/tape,ljharb/tape,Joris-van-der-Wel/tape,feross/tape,Joris-van-der-Wel/tape,ljharb/tape,Joris-van-der-Wel/tape,ljharb/tape,jtlapp/tape,mstade/tape,feross/tape,substack/tape,jtlapp/tape,mstade/tape,substack/tape