Update date and note on hidden membership groups

Updated the date to 10/23/2025 and revised note on hidden membership groups.

Author: chrisda

defender-office-365/attack-simulation-training-simulations.md

@@ -13,7 +13,7 @@ ms.collection:
 ms.custom:
 description: Admins can learn how to simulate phishing attacks and train their users on phishing prevention using Attack simulation training in Microsoft Defender for Office 365 Plan 2.
 search.appverid: met150
-ms.date: 10/22/2024
+ms.date: 10/23/2025
 appliesto:
   - ✅ <a href="https://learn.microsoft.com/defender-office-365/mdo-about#defender-for-office-365-plan-1-vs-plan-2-cheat-sheet" target="_blank">Microsoft Defender for Office 365 Plan 2</a>
 ---
@@ -211,7 +211,8 @@ On the **Target users** page, select who receives the simulation. Use the follow
     - Distribution groups (static only)
     - Mail-enabled Security group (static only)
 
-Note that hidden membership groups are currently not supported. 
+    > [!TIP]
+    > Currently, hidden membership groups aren't supported.
 
     The following search tools are available: