Update local_tutorial.md (#464)
* Changed docker-edge to docker. docker for mac no longer has the docker-edge version. Now, just need to have "docker".
* changed "brew cask" command to "brew --cask", which is the newer syntax that works with brew. "brew cask" is no longer supported.
diff --git a/docs/local_tutorial.md b/docs/local_tutorial.md
index aca2995..4fb4043 100644
--- a/docs/local_tutorial.md
+++ b/docs/local_tutorial.md
@@ -41,7 +41,7 @@
https://raw.githubusercontent.com/Homebrew/install/master/install.sh)"
# Install Docker Desktop for Mac (use edge version to get latest k8s)
-brew cask install docker-edge
+brew install --cask docker
# Enable Kubernetes in Docker Settings, or run the command below:
sed -i -e 's/"kubernetesEnabled" : false/"kubernetesEnabled" : true/g' \
