fixing split_step documentation
fixing split_step documentation

Summary: example results were backwards

Test Plan: unit tests

Reviewed By: brg@fb.com

FB internal diff: D1262425

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