Update README.md

Examples/EchoXcode/README.md

@@ -3,8 +3,8 @@
 The Echo Xcode project contains a Mac app that can be used to
 instantiate and run local gRPC clients and servers. It depends
 on the gRPC Xcode project, which requires a local build of the
-gRPC Core C library. To build that, please run "make" in the
+gRPC Core C library. To build that, please run `make` in the
 root of your gRPC distribution. Next use Xcode's "Add Files..."
 command to add the SwiftGRPC.xcodeproj to your project and
-then add the gRPC, CgRPC, BoringSSL, and SwiftProtobuf
+then add the SwiftGRPC, CgRPC, BoringSSL, and SwiftProtobuf
 libraries to the "Linked Frameworks and Libraries" build phase of "Echo".