diff --git a/src/theme/Navbar/Content/index.js b/src/theme/Navbar/Content/index.js
index 79a7283d1c4..8a959d71ebd 100644
--- a/src/theme/Navbar/Content/index.js
+++ b/src/theme/Navbar/Content/index.js
@@ -128,7 +128,7 @@ const dropdownCategories = [{
     link: '/docs/en/updating-data',
     menuItems: [
       {
-        title: 'Core data concepts',
+        title: 'Core Data Concepts',
         description: 'Understand internal concepts in ClickHouse',
         link: '/docs/en/parts'
       },