diff --git a/jspb/README.md b/jspb/README.md
index 661005f1..43a565fc 100644
--- a/jspb/README.md
+++ b/jspb/README.md
@@ -5,7 +5,7 @@ This package is based on the node package `google-protobuf`.
 It has been "compiled" with webpack.
 
 ## Usage
-This package is not intended for use without the
-[GopherJS protoc compiler plugin](https://github.com/johanbrandhorst/protobuf/protoc-gen-gopherjs).
-That package uses this package to interface with generated ProtobufJS files. See
-the README of `protoc-gen-gopherjs` for usage.
+The API is still experimental, and is not currently intended for general use outside
+of via the [GopherJS protoc compiler plugin](https://github.com/johanbrandhorst/protobuf/tree/master/protoc-gen-gopherjs).
+See the [`protoc-gen-gopherjs` README](https://github.com/johanbrandhorst/protobuf/tree/master/protoc-gen-gopherjs/README.md)
+for more information on generating the interface.