update readme

Author: alexwpengine

examples/angular/template-hierarchy-data-fetching/README.md

@@ -1,18 +1,20 @@
 # Angular Template Hierarchy and Data fetching Example
 
-In this example we show how to implement the WP Template Hierarchy in Angular for use with a Headless WordPress backend using WPGraphQL.
+In this example we show how to implement the WordPress Template Hierarchy in Angular for use with a Headless WordPress backend using WPGraphQL.
 
 ## Getting Started
 
 > [!IMPORTANT]
 > Docker Desktop needs to be installed to run WordPress locally.
 
 1. Run `npm run example:setup` to install dependencies and configure the local WP server.
-2. Run `npm run example:start` to start the WP server and Angular development server and backend for fetching dynamically wp-templates.
+2. Run `npm run backend:start` starts the backend server for template fetching at http://localhost:3000/api/templates
+3. Run `npm run example:start` to start the WordPress server and Angular development server.
 
 > [!NOTE]
 > When you kill the long running process this will not shutdown the local WP instance, only Angular. You must run `npm run example:stop` to kill the local WP server.
 
 ## Trouble Shooting
-
-To reset the WP server and re-run setup you can run `npm run example:prune` and confirm "Yes" at any prompts.
+1. I get "Page Not Found. Sorry, the page you are looking for does not exist. Please check the URL." when opening the Angular app and trying to navigate through it.
+- Run `npm run backend:start` and verify that http://localhost:3000/api/templates returns correct data
+2. To reset the WP server and re-run setup you can run `npm run example:prune` and confirm "Yes" at any prompts.