Update CLI.md

docs/en/CLI.md

@@ -28,7 +28,7 @@ abp new Acme.BookStore
     * `--database-provider` or `-d`: Specifies the database provider. Default provider is `ef`. Available providers:
       * `ef`: Entity Framework Core.
       * `mongodb`: MongoDB.
-    * `--tiered`: Creates a tiered options where Web and Http API layers can be physically separated.
+    * `--tiered`: Creates a tiered solution where Web and Http API layers are physically separated. If not specified, it creates a layered solution which is less complex and suitable for most scenarios.
   *  `mvc-module`: ASP.NET Core [MVC module template](Startup-Templates/Mvc-Module.md). Additional options:
     * `--no-ui`: Specifies to not include the UI. This makes possible to create service-only modules (a.k.a. microservices - without UI).
 * `--output-folder` or `-o`: Specifies the output folder. Default value is the current directory.