Clarify behaviour in summary of CopyDirectory method alias
Clarify behaviour in summary of CopyDirectory method alias

mholo65/cake,phrusher/cake,UnbelievablyRitchie/cake,devlead/cake,daveaglick/cake,UnbelievablyRitchie/cake,phrusher/cake,robgha01/cake,phenixdotnet/cake,vlesierse/cake,RehanSaeed/cake,vlesierse/cake,thomaslevesque/cake,gep13/cake,adamhathcock/cake,RehanSaeed/cake,Sam13/cake,michael-wolfenden/cake,patriksvensson/cake,RichiCoder1/cake,patriksvensson/cake,Sam13/cake,RichiCoder1/cake,SharpeRAD/Cake,cake-build/cake,Julien-Mialon/cake,adamhathcock/cake,Julien-Mialon/cake,mholo65/cake,devlead/cake,robgha01/cake,thomaslevesque/cake,SharpeRAD/Cake,DixonD-git/cake,gep13/cake,ferventcoder/cake,ferventcoder/cake,phenixdotnet/cake,cake-build/cake,michael-wolfenden/cake,daveaglick/cake