Minor tweaks to Japanese README
Minor tweaks to Japanese README

dieface/fly,alandipert/fly,dieface/fly,yang-wei/fly,Aweary/fly,MadcapJake/fly,alandipert/fly,JimChenAnother/fly,DigitalCoder/fly,silverbux/fly,MadcapJake/fly,yang-wei/fly,elton0895/fly,DigitalCoder/fly,MadcapJake/fly,elton0895/fly,DigitalCoder/fly,iamstarkov/fly,andrewsokolov/fly,JimChenAnother/fly,Aweary/fly,halhenke/fly,iamstarkov/fly,Aweary/fly,kashiro/fly,kesne/fly,SerkanSipahi/fly,iamstarkov/fly