From d71329d55c2e624ba00d7be2308d03c61d27f76c Mon Sep 17 00:00:00 2001
From: Vani <psreep@gmail.com>
Date: Tue, 1 May 2018 11:26:48 -0700
Subject: [PATCH] docs: add information on when not to use tree-shakable
 providers (#23634)

PR Close #23634
---
 aio/content/guide/dependency-injection.md | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/aio/content/guide/dependency-injection.md b/aio/content/guide/dependency-injection.md
index 5604f30b21..cf982bb931 100644
--- a/aio/content/guide/dependency-injection.md
+++ b/aio/content/guide/dependency-injection.md
@@ -440,6 +440,12 @@ The service can be instantiated by configuring a factory function as shown below
 
 <code-example path="dependency-injection/src/app/tree-shaking/service.0.ts"  title="src/app/tree-shaking/service.0.ts" linenums="false"> </code-example>
 
+<div class="l-sub-section">
+
+To override tree-shakable providers, register the provider using the `providers: []` array syntax of any Angular decorator that supports it.
+
+</div>
+
 {@a injector-config} 
 {@a bootstrap}