Update docs for homebrew formula

README.md

@@ -37,7 +37,8 @@ Binary downloads of the Helm client can be found at the following links:
 - [Linux](https://kubernetes-helm.storage.googleapis.com/helm-v2.1.2-linux-amd64.tar.gz)
 - [Linux 32-bit](https://kubernetes-helm.storage.googleapis.com/helm-v2.1.2-linux-386.tar.gz)
 
-Unpack the `helm` binary and add it to your PATH and you are good to go! OS X/[Cask](https://caskroom.github.io/) users can `brew cask install helm`.
+Unpack the `helm` binary and add it to your PATH and you are good to go!
+macOS/[homebrew](https://brew.sh/) users can also use `brew install kubernetes-helm`.
 
 To rapidly get Helm up and running, start with the [Quick Start Guide](docs/quickstart.md).
 

docs/install.md

@@ -22,13 +22,13 @@ can be manually downloaded and installed.
 
 From there, you should be able to run the client: `helm help`.
 
-### From Homebrew (Mac OSX)
+### From Homebrew (macOS)
 
-Members of the Kubernetes community have contributed a Helm cask built to
+Members of the Kubernetes community have contributed a Helm formula build to
 Homebrew. This formula is generally up to date.
 
 ```
-brew cask install helm
+brew install kubernetes-helm
 ```
 
 (Note: There is also a formula for emacs-helm, which is a different