[Haml] Fix a typo in the changelog.
[Haml] Fix a typo in the changelog.

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