Update UserGuide.md
Update UserGuide.md
kennyngdsc/addressbook-level4,lproperty/main,CS2103JAN2017-T15-B3/main,Manish1Dahiya/main,kennyngdsc/addressbook-level4,Manish1Dahiya/main,lproperty/main,CS2103JAN2017-T15-B3/main