docs(example-getting-started): apply feedback

packages/example-getting-started/docs/1-prerequisites-and-setup.md

@@ -1,7 +1,7 @@
 ## Setup
 
 Before we can begin, you'll need to make sure you have some things installed:
-- [Node.js](https://nodejs.org/en/) at v6.x or greater
+- [Node.js](https://nodejs.org/en/) at v8.x or greater
 
 Additionally, this tutorial assumes that you are comfortable with
 certain technologies, languages and concepts.
@@ -19,9 +19,9 @@ If you'd like to continue the tutorial, then jump to the
 [next section here](2-scaffold-app.md).
 
 If you'd like to see the final results of this tutorial as an example
-application, then follow these steps:
+application, follow these steps:
 
-1. Run the `lb4 example` command to clone the getting-started repository:
+1. Run the `lb4 example` command to select and clone the getting-started repository:
 ```
 $ lb4 example
 ? What example would you like to clone? (Use arrow keys)

packages/example-getting-started/docs/6-repository.md

@@ -1,7 +1,7 @@
 ### Create your repository
 
 The repository pattern is one of the more fundamental differences between
-LoopBack 3 and 4. In 3, you would use the model class definitions themselves
+LoopBack 3 and 4. In LoopBack 3, you would use the model class definitions themselves
 to perform CRUD operations. In LoopBack 4, the layer responsible for this has
 been separated from the definition of the model itself, into the repository
 layer.