[Haml] Fix a bit in the README.
[Haml] Fix a bit in the README.

JuanitoFatas/sass,Anshdesire/sass,chriseppstein/sass,baiyanghese/sass,nicklima/sass,liquidmetal/sass,14113/sass,JuanitoFatas/sass,dylannnn/sass,haml/haml,stanhu/haml,hcatlin/sass,amitsuroliya/sass,rammy7219/sass,OrenBochman/sass,MetaAshley/sass,dg1dd1ngs/haml,antonifs/sass,Andrey-Pavlov/sass,stewx/sass,Ahnita/sass,jaroot32/sass,srinivashappy/sass,uniba/hamldoc_ja,xzyfer/sass,tangposmarvin/haml,macressler/haml,askl56/sass,danielfein/sass,danielfein/sass,macressler/haml,MetaAshley/sass,amitsuroliya/sass,keithpitty/haml,srawlins/sass,nickg33/sass,haml/haml,hcatlin/sass,Industrys/sass,Andrey-Pavlov/sass,DanteKaris/sass,saper/sass,sideci-sample/sideci-sample-haml,HugoRLopes/sass,HugoRLopes/sass,nazar-pc/haml,amatsuda/haml,chriseppstein/haml,antonifs/sass,dg1dd1ngs/haml,zaru/sass,Nzaga/sass,xzyfer/sass,oss-practice/sass,jaroot32/sass,tangposmarvin/sass,dylannnn/sass,OrenBochman/sass,stewx/sass,saper/sass,PMArtz92/sass,tangposmarvin/sass,ridixcr/sass,stanhu/haml,haml/haml,cmpereirasi/sass,Galactix/sass,srawlins/sass,modulexcite/sass,PMArtz92/sass,Industrys/sass,Nzaga/sass,keithpitty/haml,nickg33/sass,srinivashappy/sass,nazar-pc/haml,modulexcite/sass,briangonzalez/sass,lmetla/sass,Galactix/sass,Ahnita/sass,Anshdesire/sass,askl56/sass,chriseppstein/haml,liquidmetal/sass,tenderlove/sass,Iamronan/sass,StephanieMak/sass,haml/haml,schneems/sass,cmpereirasi/sass,rammy7219/sass,StephanieMak/sass,zaru/sass,ridixcr/sass,concord-consortium/haml,Iamronan/sass,schneems/sass,tangposmarvin/haml,lmetla/sass,DanteKaris/sass,nicklima/sass