Spell-check Readme.md
Spell-check Readme.md

robbieaverill/php-markdown,mariokonrad/php-markdown,jockchou/php-markdown,queirozfcom/php-markdown-with-syntax-highlight,MWDelaney/bootstrap-3-shortcodes,filipstefansson/bootstrap-3-shortcodes,Kapeli/php-markdown,filipstefansson/bootstrap-3-shortcodes,nazar-pc/php-markdown-next,MWDelaney/bootstrap-3-shortcodes,MWDelaney/bootstrap-3-shortcodes,n054/php-markdown,itafroma/php-markdown,ashur/php-markdown