More changes from SME review

source/use-nunjucks/index.html.md.erb

@@ -11,40 +11,39 @@ You can also change the HTML that's generated by passing options into the Nunjuc
 
 If you use Nunjucks, your project will be easier to update when a new version of GOV.UK Frontend is released.
 
-To use Nunjucks:
-
-- you must [install GOV.UK Frontend with Node.js package manager (npm)](/installing-with-npm/)
-- your application and any frameworks that support it must use Node.js
+To use Nunjucks, your application and any frameworks that support it must use Node.js.
 
 You do not need to follow this guidance to [use Nunjucks macros in the GOV.UK Prototype Kit](https://design-system.service.gov.uk/get-started/prototyping/#using-nunjucks-macros).
 
-## Set up Nunjucks and use the page template
+## Before you start
 
-How you set up Nunjucks will depend on your environment. You can do the following to set up Nunjucks if you're using [Express](https://expressjs.com/).
+You must first:
 
-1. Make sure Nunjucks is installed. For example, you can install Nunjucks while you're [installing GOV.UK Frontend with npm](/installing-with-npm).
+- [install GOV.UK Frontend with Node.js package manager (npm)](/installing-with-npm/)
+- make sure Nunjucks is installed and working in your environment
 
-2. Import the Nunjucks package, for example at the top of your main application file:
+## Set up Nunjucks and use the page template
 
-    ```javascript
-    const nunjucks = require('nunjucks')
-    ```
+1. Add `node_modules/govuk-frontend/` to your list of Nunjucks paths, so Nunjucks knows where to find the GOV.UK Frontend template and components.
 
-3. Tell Nunjucks where to find the GOV.UK Frontend template and components, by adding the following to your main application file:
+    For example:
 
     ```javascript
-    nunjucks.configure([
-      "node_modules/govuk-frontend/"
-    ])
+        nunjucks.configure([
+          "node_modules/govuk-frontend/",
+          "YOUR-VIEWS-FOLDER"
+        ])
     ```
 
-4. Use the GOV.UK Frontend template by adding the following at the top of your view file:
+2. Use the GOV.UK Frontend template by adding the following at the top of your view file:
 
     ```javascript
     {% extends "govuk/template.njk" %}
     ```
 
-5. Go to the [default page template example](https://design-system.service.gov.uk/styles/page-template/#default) on the GOV.UK Design System website, then copy the Nunjucks code into your view file.
+3. Go to the [default page template example](https://design-system.service.gov.uk/styles/page-template/#default) on the GOV.UK Design System website, then copy the Nunjucks code into your view file.
+
+You may need to change the paths in the Nunjucks code to [get the CSS, assets and JavaScript working](/importing-css-assets-and-javascript).
 
 Find out how to [change how the page template works](https://design-system.service.gov.uk/styles/page-template/#changing-template-content).