Fix punctuation in project setup intro

Author: ashis-baral

data/reusables/codespaces/setting-up-project-intro.md

@@ -1,4 +1,4 @@
-in {% data variables.product.prodname_github_codespaces %} using the {% data variables.product.prodname_vscode %} web client. It will step you through the process of opening the project in a codespace, and adding and modifying a predefined dev container configuration.
+in {% data variables.product.prodname_github_codespaces %} using the {% data variables.product.prodname_vscode %} web client. It will step you through the process of opening the project in a codespace and adding and modifying a predefined dev container configuration.
 
 After you complete this tutorial, you'll be able to add a dev container configuration to your own repository, using either the {% data variables.product.prodname_vscode_shortname %} web client or the {% data variables.product.prodname_vscode_shortname %} desktop application.