Update environment-variables.md

Author: LianaAdaza

articles/container-apps/environment-variables.md

@@ -6,7 +6,7 @@ author: fred-cardoso
 ms.service: azure-container-apps
 ms.custom: devx-track-azurecli, devx-track-azurepowershell
 ms.topic: how-to
-ms.date: 09/13/2024
+ms.date: 09/16/2024
 ms.author: fredcardoso
 ---
 
@@ -20,7 +20,7 @@ These environment variables are loaded onto your Container App during runtime.
 You can configure the Environment Variables upon the creation of the Container App or later by creating a new revision.
 
 > [!NOTE]
-> To avoid confusion, the duplication of the environment variable are not recommended. When multiple environment variables have the same name, the last position of the list takes effect.
+> To avoid confusion, it is not recommended to duplicate environment variables. When multiple environment variables have the same name, the last one of the list takes effect.
 
 ### [Azure portal](#tab/portal)