diff --git a/aio/content/guide/lifecycle-hooks.md b/aio/content/guide/lifecycle-hooks.md
index 378b5a36eb2..6649cf79b11 100644
--- a/aio/content/guide/lifecycle-hooks.md
+++ b/aio/content/guide/lifecycle-hooks.md
@@ -320,7 +320,7 @@ The following *AfterContent* hooks take action based on changing values in a *co
 
 <a id="no-unidirectional-flow-worries"></a>
 
-<div class="alert is-helpful">
+<div class="callout is-helpful">
 
 <header>No need to wait for content updates</header>