Update installing.md
install `osxfuse` through brew cask
@@ -149,11 +149,11 @@ above and logging out and back in, you may need to fix the permissions:
First, handle prerequisites:
-* Install [osxfuse](https://osxfuse.github.io/).
* Install the [homebrew](http://brew.sh/) package manager.
Afterward, gcsfuse can be installed with `brew`:
+ brew cask install osxfuse
brew install gcsfuse
sudo ln -s /usr/local/sbin/mount_gcsfuse /sbin # For mount(8) support
