diff --git a/src/wp-admin/includes/revision.php b/src/wp-admin/includes/revision.php
index 2eb83cb75ca6ef108263b6435ecd8d4f7861e43e..26ef25dbc3630f2f3ef4e5b7e24c4c79269134d5 100644
--- a/src/wp-admin/includes/revision.php
+++ b/src/wp-admin/includes/revision.php
@@ -461,7 +461,7 @@ function wp_print_revision_templates() {
 		<div class="diff-error"><?php _e( 'Sorry, something went wrong. The requested comparison could not be loaded.' ); ?></div>
 		<div class="diff">
 		<# _.each( data.fields, function( field ) { #>
-			<h3>{{ field.name }}</h3>
+			<h2>{{ field.name }}</h2>
 			{{{ field.diff }}}
 		<# }); #>
 		</div>