(AzureCXP) minor typo correction

For clarity: 
Changed from: 
"You can follow the steps in this article on macOS. Linux and Windows instructions are the same in most cases, but the differences are not detailed in this tutorial." 
To: 
You can follow the steps in this article on macOS, Linux and Windows instructions are the same in most cases, but the differences are not detailed in this tutorial.

Author: AjayKumar-MSFT

articles/app-service/containers/tutorial-python-postgresql-app.md

@@ -32,7 +32,7 @@ In this tutorial, you learn how to:
 > [!NOTE]
 > Before creating an Azure Database for PostgreSQL, please check [which compute generation is available in your region](https://docs.microsoft.com/azure/postgresql/concepts-pricing-tiers#compute-generations-and-vcores).
 
-You can follow the steps in this article on macOS. Linux and Windows instructions are the same in most cases, but the differences are not detailed in this tutorial.
+You can follow the steps in this article on macOS, Linux and Windows instructions are the same in most cases, but the differences are not detailed in this tutorial.
 
 [!INCLUDE [quickstarts-free-trial-note](../../../includes/quickstarts-free-trial-note.md)]
 
@@ -424,4 +424,4 @@ Advance to the next tutorial to learn how to map a custom DNS name to your app.
 Or, check out other resources:
 
 > [!div class="nextstepaction"]
-> [Configure Python app](how-to-configure-python.md)
+> [Configure Python app](how-to-configure-python.md)