README: Improve wording in Generating section.

README.md

@@ -45,9 +45,9 @@ The `procaddr` package contains platform-specific functions for [loading OpenGL
 Generating
 ----------
 
-These gl bindings are generated using `glow` generator. Only developers of this repository need to do this step.
+These gl bindings are generated using the [Glow](https://github.com/go-gl/glow) generator. Only developers of this repository need to do this step.
 
-It is required to have glow source in the same Go workspace (since relative paths are used) and the glow generator installed, doable with `go get -u github.com/go-gl/glow`.
+It is required to have `glow` source in the same Go workspace (since relative paths are used) and the `glow` binary should be in your `$PATH`. Doable with `go get -u github.com/go-gl/glow` if your `$GOPATH/bin` is in your `$PATH`.
 
 ```bash
 go generate -tags=gen github.com/go-gl/gl