Update EnableNotificationsSubscriptions documentation

Clarified the description of the EnableNotificationsSubscriptions setting, emphasizing its opt-in nature and the requirement for third-party solutions to manage webhook subscriptions.

Author: divyachapan

sharepoint/sharepoint-ps/Microsoft.Online.SharePoint.PowerShell/Set-SPOTenant.md

@@ -128,7 +128,7 @@ Set-SPOTenant [-MinCompatibilityLevel <Int32>] [-MaxCompatibilityLevel <Int32>]
  [-AIBuilderModelSelectedSitesIncludesContentCenters <Boolean>] [-PrebuiltModelScope <SyntexFeatureScopeValue>]
  [-PrebuiltModelSelectedSitesList <String[]>]
  [-PrebuiltModelSelectedSitesListOperation <SelectedSitesListOperations>]
- [-DocumentTranslationScope <SyntexFeatureScopeValue>] [-DocumentTranslationSelectedSitesList <String[]>]
+ [-DocumentTranslationScope <SyntexFeatureScopeValue>] [-DocumentTranslationSelectedSitesList <String[]>]...manage [webhook](/sharepoint/dev/apis/webhooks/lists/overview-sharepoint-list-webhooks) solutions...
  [-DocumentTranslationSelectedSitesListOperation <SelectedSitesListOperations>]
  [-AutofillColumnsScope <SyntexFeatureScopeValue>] [-AutofillColumnsSelectedSitesList <String[]>]
  [-AutofillColumnsSelectedSitesListOperation <SelectedSitesListOperations>]
@@ -2971,10 +2971,7 @@ Accept wildcard characters: False
 
 > Applicable: SharePoint Online
 
-Enable or disable writing SharePoint News and Announcement notifications to a hidden list (NewsNotificationList) in each user's My Site. This setting is an opt-in for SharePoint Online to emit notification data. Third-party solutions must create and manage webhook subscriptions to receive change notifications and then read the list to process new entries for triggering their own notifications for the user. Notificaitons for Likes and comments on News posts are not in scope for this setting. 
-[Documentation](https://learn.microsoft.com/sharepoint/dev/apis/webhooks/lists/overview-sharepoint-list-webhooks) for SharePoint list web hooks.
-[Documentation](https://learn.microsoft.com/viva/connections/viva-connections-news-notifications#when-notifications-are-sent-via-microsoft-teams) for SharePoint news notifications.
-[Documentation](https://learn.microsoft.com/viva/connections/announcements-viva-connections) for Announcements.
+This is an opt-in setting that enables or disables writing SharePoint News and Announcement notification data to a list (NewsNotificationList) in each user’s My Site. When enabled, SharePoint Online emits notification events to this list. Third-party solutions must create and manage [webhook](/sharepoint/dev/apis/webhooks/lists/overview-sharepoint-list-webhooks) solutions to receive change notifications and then read the list to process new entries for triggering their own notifications for the user. This applies to [SharePoint News Notifications](viva/connections/viva-connections-news-notifications#when-notifications-are-sent-via-microsoft-teams) and Viva Connections [Annoucenments](viva/connections/announcements-viva-connections).
 
 PARAMVALUE: True | False