lp_runtime/bash: improve comments
lp_runtime/bash: improve comments

laurentbardin/liquidprompt,alexprengere/liquidprompt,joshuarubin/dotfiles,tsbarnes/liquidprompt,joshuarubin/dotfiles,milouse/liquidprompt,BobHood/liquidprompt,smadhueagle/liquidprompt,dpilone/liquidprompt,dan-cleinmark/liquidprompt,dtschan/liquidprompt,joshuarubin/dotfiles,nojhan/liquidprompt,jaesivsm/liquidprompt,pkkolos/liquidprompt,joshuarubin/dotfiles