diff --git a/patterns/testimonials-3-columns.php b/patterns/testimonials-3-columns.php
index 8e6999f18bd..fd6a6236540 100644
--- a/patterns/testimonials-3-columns.php
+++ b/patterns/testimonials-3-columns.php
@@ -20,8 +20,8 @@
 
 <!-- wp:group {"align":"wide","style":{"spacing":{"margin":{"top":"0px","bottom":"80px"}}},"layout":{"type":"constrained","justifyContent":"left"}} -->
 <div class="wp-block-group alignwide" style="margin-top:0px;margin-bottom:80px">
-	<!-- wp:heading {"level":3,"style":{"spacing":{"padding":{"right":"var:preset|spacing|30","left":"var:preset|spacing|30"}}}} -->
-	<h3 class="wp-block-heading" style="padding-right:var(--wp--preset--spacing--30);padding-left:var(--wp--preset--spacing--30)"><?php echo esc_html( $main_header ); ?></h3>
+	<!-- wp:heading {"level":3,"align":"full","style":{"spacing":{"padding":{"right":"var:preset|spacing|30","left":"var:preset|spacing|30"}}}} -->
+	<h3 class="wp-block-heading alignfull" style="padding-right:var(--wp--preset--spacing--30);padding-left:var(--wp--preset--spacing--30)"><?php echo esc_html( $main_header ); ?></h3>
 	<!-- /wp:heading -->
 
 	<!-- wp:columns {"align":"full","style":{"spacing":{"padding":{"right":"var:preset|spacing|30","left":"var:preset|spacing|30"}}}} -->