fix(shell/lean): fix documentation of some cmdline options
fix(shell/lean): fix documentation of some cmdline options

soonhokong/lean,levnach/lean,soonhokong/lean,UlrikBuchholtz/lean,levnach/lean,fpvandoorn/lean2,UlrikBuchholtz/lean,fpvandoorn/lean2,soonhokong/lean,soonhokong/lean,UlrikBuchholtz/lean,javra/lean,fpvandoorn/lean2,fpvandoorn/lean2,javra/lean,levnach/lean,fpvandoorn/lean2,levnach/lean,soonhokong/lean,UlrikBuchholtz/lean,levnach/lean,javra/lean,javra/lean,javra/lean,UlrikBuchholtz/lean