Fix title and description

docs/en/tutorials/index.md

@@ -1,7 +1,7 @@
-## ABP Tutorials
+# ABP Tutorials
 
-The following guides explains how to build ABP based applications:
+The following introductory tutorials explain how to build applications based on the ABP platform:
 
 * [TODO Application](todo/index.md): This is a single-part, quick-start tutorial to build a simple application with ABP. Start with this tutorial if you want to quickly understand how ABP works.
 * [Book Store Application](book-store/index.md): This is a multi-part, complete tutorial to build a bookstore application with ABP. Start with this tutorial if you want to create a layered solution with ABP and apply DDD best practices.
-* [Modular Monolith Application](modular-crm/index.md): This is a multi-part tutorial that demonstrates how to create application modules, compose and communicate them to build a monolith modular web application.
+* [Modular Monolith Application](modular-crm/index.md): This is a multi-part tutorial that demonstrates how to create application modules, compose and communicate them to build a monolith modular web application.