remove white-space nowrap
rm :invalid styling from docs. Docs: fix 1 typo

BS3 commits ae9fde5cab0ca2418857eb6f39315a66246ecf76 and
68792fc1f95d4eb93eef954e3a1c3e8f872be7cf
copyedit JS docs

BS3 commit cd4f131c497c4af2ccb3992e9b0cfa054cbadde6