fix comments
fix comments

Test Plan: no

Reviewed By: tjackson@fb.com

FB internal diff: D629502

KSreeHarsha/folly,unmeshvrije/C--,lifei/folly,shaobz/folly,clearlylin/folly,project-zerus/folly,bobegir/folly,mqeizi/folly,mqeizi/folly,gaoyingie/folly,alexst07/folly,chjp2046/folly,xzmagic/folly,fw1121/folly,PoisonBOx/folly,juniway/folly,leolujuyi/folly,unmeshvrije/C--,PoisonBOx/folly,charsyam/folly,colemancda/folly,zhiweicai/folly,doctaweeks/folly,yangjin-unique/folly,kernelim/folly,raphaelamorim/folly,constantine001/folly,sakishum/folly,Orvid/folly,Hincoin/folly,romange/folly,reddit/folly,clearlylin/folly,bobegir/folly,doctaweeks/folly,guker/folly,unmeshvrije/C--,loversInJapan/folly,loversInJapan/folly,doctaweeks/folly,tomhughes/folly,leolujuyi/folly,sonnyhu/folly,stonegithubs/folly,romange/folly,renyinew/folly,gavioto/folly,Hincoin/folly,kernelim/folly,mqeizi/folly,SeanRBurton/folly,guker/folly,bikong2/folly,fw1121/folly,ykarlsbrun/folly,upsoft/folly,nickhen/folly,CJstar/folly,floxard/folly,gaoyingie/folly,alexst07/folly,arg0/folly,unmeshvrije/C--,zhiweicai/folly,loverszhaokai/folly,xzmagic/folly,hongliangzhao/folly,sakishum/folly,tempbottle/folly,tomhughes/folly,fw1121/folly,rklabs/folly,loversInJapan/folly,xzmagic/folly,rklabs/folly,juniway/folly,floxard/folly,facebook/folly,SeanRBurton/folly,hongliangzhao/folly,tempbottle/folly,Eagle-X/folly,wildinto/folly,arg0/folly,PPC64/folly,sonnyhu/folly,Eagle-X/folly,SammyK/folly,chjp2046/folly,clearlinux/folly,Orvid/folly,SeanRBurton/folly,project-zerus/folly,bsampath/folly,tomhughes/folly,rklabs/folly,Orvid/folly,xzmagic/folly,bowlofstew/folly,gavioto/folly,upsoft/folly,sonnyhu/folly,zhiweicai/folly,lifei/folly,guker/folly,kernelim/folly,SeanRBurton/folly,cppfool/folly,renyinew/folly,cole14/folly,KSreeHarsha/folly,PPC64/folly,sakishum/folly,nickhen/folly,PPC64/folly,lifei/folly,brunomorishita/folly,cppfool/folly,colemancda/folly,loversInJapan/folly,alexst07/folly,unmeshvrije/C--,cppfool/folly,chjp2046/folly,Hincoin/folly,lifei/folly,clearlinux/folly,KSreeHarsha/folly,hongliangzhao/folly,brunomorishita/folly,shaobz/folly,gaoyingie/folly,guker/folly,bowlofstew/folly,bsampath/folly,PPC64/folly,colemancda/folly,bowlofstew/folly,SammyK/folly,clearlinux/folly,clearlylin/folly,KSreeHarsha/folly,facebook/folly,reddit/folly,stonegithubs/folly,sonnyhu/folly,tempbottle/folly,juniway/folly,gaoyingie/folly,tempbottle/folly,floxard/folly,PoisonBOx/folly,project-zerus/folly,romange/folly,Eagle-X/folly,chjp2046/folly,facebook/folly,reddit/folly,upsoft/folly,clearlinux/folly,theiver9827/folly,arg0/folly,gavioto/folly,Eagle-X/folly,tomhughes/folly,reddit/folly,CJstar/folly,shaobz/folly,reddit/folly,PPC64/folly,rklabs/folly,loverszhaokai/folly,tomhughes/folly,yangjin-unique/folly,PoisonBOx/folly,Eagle-X/folly,CJstar/folly,kernelim/folly,SammyK/folly,bikong2/folly,guker/folly,loverszhaokai/folly,stonegithubs/folly,sakishum/folly,cppfool/folly,constantine001/folly,cole14/folly,tempbottle/folly,bsampath/folly,constantine001/folly,leolujuyi/folly,fw1121/folly,cole14/folly,bowlofstew/folly,gavioto/folly,bsampath/folly,kernelim/folly,floxard/folly,shaobz/folly,shaobz/folly,bobegir/folly,nickhen/folly,theiver9827/folly,KSreeHarsha/folly,cole14/folly,bobegir/folly,renyinew/folly,doctaweeks/folly,cppfool/folly,arg0/folly,facebook/folly,brunomorishita/folly,colemancda/folly,arg0/folly,stonegithubs/folly,sonnyhu/folly,sakishum/folly,lifei/folly,alexst07/folly,CJstar/folly,leolujuyi/folly,clearlylin/folly,brunomorishita/folly,alexst07/folly,yangjin-unique/folly,wildinto/folly,constantine001/folly,hongliangzhao/folly,SammyK/folly,raphaelamorim/folly,romange/folly,theiver9827/folly,renyinew/folly,loversInJapan/folly,yangjin-unique/folly,wildinto/folly,romange/folly,mqeizi/folly,zhiweicai/folly,project-zerus/folly,unmeshvrije/C--,CJstar/folly,clearlylin/folly,loverszhaokai/folly,PoisonBOx/folly,juniway/folly,charsyam/folly,leolujuyi/folly,chjp2046/folly,yangjin-unique/folly,theiver9827/folly,charsyam/folly,upsoft/folly,floxard/folly,ykarlsbrun/folly,brunomorishita/folly,project-zerus/folly,juniway/folly,clearlinux/folly,loverszhaokai/folly,ykarlsbrun/folly,facebook/folly,gaoyingie/folly,bikong2/folly,bikong2/folly,Hincoin/folly,bsampath/folly,Orvid/folly,raphaelamorim/folly,ykarlsbrun/folly,ykarlsbrun/folly,hongliangzhao/folly,bobegir/folly,Orvid/folly,theiver9827/folly,bikong2/folly,constantine001/folly,wildinto/folly,mqeizi/folly,wildinto/folly,gavioto/folly,raphaelamorim/folly,cole14/folly,stonegithubs/folly,SeanRBurton/folly,nickhen/folly,renyinew/folly,colemancda/folly,charsyam/folly,raphaelamorim/folly,zhiweicai/folly,rklabs/folly,xzmagic/folly,SammyK/folly,bowlofstew/folly,doctaweeks/folly,fw1121/folly,nickhen/folly,Hincoin/folly,upsoft/folly