httpr/README.md: point to releases page for binaries
@@ -19,7 +19,8 @@ turning the integration test into a fast and inexpensive unit test.
First, obtain the `httpr` binary. If you have the Go toolchain, you can run `go
get -u cloud.google.com/go/httpreplay/cmd/httpr`. Otherwise, precompiled
-binaries for various architectures will be available shortly.
+binaries for various architectures and operating systems are available from [the
+releases page](https://github.com/GoogleCloudPlatform/google-cloud-go/releases).
### Recording
