Merge pull request #4 from sandstrom/patch-1

Improve watchman docs

Author: Jen Weber

guides/basic-use/index.md

@@ -20,20 +20,22 @@ This will make the `ember` command available throughout your project folders. Th
 
 ### Additional steps for Mac and Linux users
 
-Mac and Linux users may need to install [Watchman](https://facebook.github.io/watchman/). Watchman helps correct for some buggy and inefficient file watching behavior. Do not use the `npm` package by the same name.
+For Mac and Linux users we recommend installing [Watchman](https://facebook.github.io/watchman/). Watchman helps correct for some buggy and inefficient file watching behavior. Do not use the `npm` package by the same name.
 
-Mac users cann install via [Homebrew](http://brew.sh/):
+Mac users cann install via [Homebrew](https://brew.sh/):
 
 ```bash
 brew install watchman
 ```
 
 Linux users should follow the steps on the [Watchman](https://facebook.github.io/watchman/) website to build from the source.
 
+If Watchman is not installed, a notice is displayed when invoking various commands ("Could not start watchman"). It's safe to ignore this message. However, file-watching won't be as smooth as it is with Watchman.
+
 ### Installing for Windows
 
 <!-- copy over from ember-cli.com -->
 
 ## Getting help
 
-Users of all operating systems can get community support for installation problems. A list of chat rooms, forums, and more is available [here](https://www.emberjs.com/learn/).
+Users of all operating systems can get community support for installation problems. A list of chat rooms, forums, and more is available [here](https://www.emberjs.com/learn/).