Fix typos in comments

examples/route_guide/README.md

@@ -1,5 +1,5 @@
 # Description
-The route guide server and client demonstrates how to use grpc go libraries to
+The route guide server and client demonstrate how to use grpc go libraries to
 perform unary, client streaming, server streaming and full duplex RPCs.
 
 See the definition of the route guide service in proto/route_guide.proto.

examples/route_guide/client/client.go

@@ -31,7 +31,7 @@
  *
  */
 
-// Package main implements a simple grpc client that demonstrates how to use grpc go libraries
+// Package main implements a simple gRPC client that demonstrates how to use gRPC-Go libraries
 // to perform unary, client streaming, server streaming and full duplex RPCs.
 //
 // It interacts with the route guide service whose definition can be found in proto/route_guide.proto.
@@ -127,13 +127,13 @@ func runRouteChat(client pb.RouteGuideClient) {
 	if err != nil {
 		log.Fatalf("%v.RouteChat(_) = _, %v", client, err)
 	}
-	waitc := make(chan int)
+	waitc := make(chan struct{})
 	go func() {
 		for {
 			in, err := stream.Recv()
 			if err == io.EOF {
 				// read done.
-				waitc <- 1
+				close(waitc)
 				return
 			}
 			if err != nil {

examples/route_guide/server/server.go

@@ -31,7 +31,7 @@
  *
  */
 
-// Package main implements a simple grpc server that demonstrates how to use grpc go libraries
+// Package main implements a simple gRPC server that demonstrates how to use gRPC-Go libraries
 // to perform unary, client streaming, server streaming and full duplex RPCs.
 //
 // It implements the route guide service whose definition can be found in proto/route_guide.proto.