add instructions for immediate effect.
add instructions for immediate effect.

shabith/git-aware-prompt,michaelachrisco/git-aware-prompt,LytayTOUCH/git-aware-prompt,alexforsale/git-aware-prompt,jimeh/git-aware-prompt,joeytwiddle/git-aware-prompt,jesusgm/git-aware-prompt,atchuthan/git-aware-prompt,ted-hanson/git-aware-prompt,sunpech/git-aware-prompt