From 2aefac841fd6ad1225df2a69fb04054f3c1e04f5 Mon Sep 17 00:00:00 2001
From: Miguel Angel Asencio Hurtado <maasencioh@gmail.com>
Date: Fri, 10 Nov 2017 11:23:33 -0500
Subject: [PATCH] docs(aio): empty line between HTML tag and content (#20341)
 PR Close #20341

---
 aio/content/tutorial/toh-pt4.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/aio/content/tutorial/toh-pt4.md b/aio/content/tutorial/toh-pt4.md
index 8af34c8136..3c00f29e40 100644
--- a/aio/content/tutorial/toh-pt4.md
+++ b/aio/content/tutorial/toh-pt4.md
@@ -106,7 +106,9 @@ and inject into any class that asks for it.
 The `HeroService` is now ready to plug into the `HeroesComponent`.
 
 <div class="alert is-helpful">
+
   Learn more about _providers_ in the [NgModules](guide/ngmodule#providers) guide.
+
 </div>
 
 ## Update `HeroesComponent`