From 4c5061500755c4e08093673e2147f12a0fabc94e Mon Sep 17 00:00:00 2001
From: Bert Verhelst <verhelstbert@gmail.com>
Date: Mon, 25 Sep 2017 17:13:56 +0200
Subject: [PATCH] docs(upgrade): Add not to explain heroes token for
 heroesService

---
 aio/content/guide/upgrade.md | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/aio/content/guide/upgrade.md b/aio/content/guide/upgrade.md
index cee83ce13d0726..a24c096c0c4af8 100644
--- a/aio/content/guide/upgrade.md
+++ b/aio/content/guide/upgrade.md
@@ -778,6 +778,14 @@ delete them once the upgrade is over.
 It's also recommended to export the `heroesServiceFactory` function so that Ahead-of-Time
 compilation can pick it up.
 
+<div class="l-sub-section">
+
+Note that the 'heroes' string inside the factory refers to the AngularJS `HeroesService`. 
+It is common in AngularJS apps to chose a service name for the token (e.g. heroes)
+and append the Service suffix to create the class name (e.g. heroesService)
+
+</div>
+
 <code-example path="upgrade-module/src/app/ajs-to-a-providers/ajs-upgraded-providers.ts" title="ajs-upgraded-providers.ts">
 </code-example>