internal: change split2() comment to be consistent with behavior (#2547)
internal: change split2() comment to be consistent with behavior (#2547)


grpc/grpc-go,menghanl/grpc-go,dfawley/grpc-go,stanley-cheung/grpc-go,thinkerou/grpc-go,dfawley/grpc-go,grpc/grpc-go,stanley-cheung/grpc-go,thinkerou/grpc-go,menghanl/grpc-go