Merge pull request #98210 from v-maudel/patch-394

M45730: Fixing typo and/an

Author: PRMerger16

articles/event-grid/secure-webhook-delivery.md

@@ -18,7 +18,7 @@ This article uses the Azure portal for demonstration, however the feature can al
 
 [!INCLUDE [event-grid-preview-feature-note.md](../../includes/event-grid-preview-feature-note.md)]
 
-## Create and Azure AD Application
+## Create an Azure AD Application
 
 Begin by creating an Azure AD Application for your protected endpoint. See https://docs.microsoft.com/azure/active-directory/develop/scenario-protected-web-api-overview.
     - Configure your protected API to be called by a daemon app.
@@ -123,4 +123,4 @@ In the additional features tab, check the box for 'Use AAD authentication' and c
 
 * For information about monitoring event deliveries, see [Monitor Event Grid message delivery](monitor-event-delivery.md).
 * For more information about the authentication key, see [Event Grid security and authentication](security-authentication.md).
-* For more information about creating an Azure Event Grid subscription, see [Event Grid subscription schema](subscription-creation-schema.md).
+* For more information about creating an Azure Event Grid subscription, see [Event Grid subscription schema](subscription-creation-schema.md).