diff --git a/packages/edit-site/src/components/sidebar-navigation-screen-pattern/template-part-navigation-menu.js b/packages/edit-site/src/components/sidebar-navigation-screen-pattern/template-part-navigation-menu.js
index b410b2cf8a9b6..9fd474b2839c5 100644
--- a/packages/edit-site/src/components/sidebar-navigation-screen-pattern/template-part-navigation-menu.js
+++ b/packages/edit-site/src/components/sidebar-navigation-screen-pattern/template-part-navigation-menu.js
@@ -19,7 +19,7 @@ export default function TemplatePartNavigationMenu( { id } ) {
 		<>
 			<Heading
 				className="edit-site-sidebar-navigation-screen-template-part-navigation-menu__title"
-				size="12"
+				size="11"
 				upperCase={ true }
 			>
 				{ title?.rendered || title || __( 'Navigation' ) }
diff --git a/packages/edit-site/src/components/sidebar-navigation-screen-pattern/template-part-navigation-menus.js b/packages/edit-site/src/components/sidebar-navigation-screen-pattern/template-part-navigation-menus.js
index 418b1d4423b20..c8bc955286b2e 100644
--- a/packages/edit-site/src/components/sidebar-navigation-screen-pattern/template-part-navigation-menus.js
+++ b/packages/edit-site/src/components/sidebar-navigation-screen-pattern/template-part-navigation-menus.js
@@ -22,7 +22,7 @@ export default function TemplatePartNavigationMenus( { menus } ) {
 		<>
 			<Heading
 				className="edit-site-sidebar-navigation-screen-template-part-navigation-menu__title"
-				size="12"
+				size="11"
 				upperCase={ true }
 			>
 				{ __( 'Navigation' ) }