Update devcontainer Tip on getting started

Dev containers aren't generated by default.

Author: rafaelfranca

guides/source/getting_started.md

@@ -64,8 +64,9 @@ The Rails philosophy includes two major guiding principles:
 Creating a New Rails Project
 ----------------------------
 
-TIP: New Rails apps come with a preconfigured Dev Container development environment. This
-is the fastest way to get started with Rails. For instructions see [Getting Started with Dev Containers](getting_started_with_devcontainer.html)
+TIP: You can create new Rails apps come with a preconfigured Dev Container development environment. This
+is the fastest way to get started with Rails.
+For instructions see [Getting Started with Dev Containers](getting_started_with_devcontainer.html)
 
 The best way to read this guide is to follow it step by step. All steps are
 essential to run this example application and no additional code or steps are