Rename property for isbn-verifier exercise
Rename property for isbn-verifier exercise
jmluy/x-common,ErikSchierboom/x-common,rpottsoh/x-common,exercism/x-common,ErikSchierboom/x-common,rpottsoh/x-common,jmluy/x-common,exercism/x-common,petertseng/x-common,jmluy/x-common,petertseng/x-common