Update help command in README.md

Vasiliy Solovey · web-flow · commit bdc475c2e784 · 2016-11-30T10:50:41.000+02:00
diff --git a/README.md b/README.md
@@ -67,7 +67,7 @@ npm install -g angular-cli
 ## Usage
 
 ```bash
-ng --help
+ng help
 ```
 
 ### Generating and serving an Angular2 project via a development server
