Merge pull request #5 from iamqizhao/master

Update README.md

README.md

@@ -1,5 +1,5 @@
 gRPC-Go: The Google opensource RPC library in golang.
 
-To install this package, you need to install Go 1.4 and setup your Go worksapce on your computer. The simplest way to install the grpc package is to run:
+To install this package, you need to install Go 1.4 and setup your Go workspace on your computer. The simplest way to install the grpc package is to run:
 
 go get github.com/google/grpc-go