Learn Editor: Update run-scan-microsoft-defender-antivirus.md

Author: moeghassi

defender-endpoint/run-scan-microsoft-defender-antivirus.md

@@ -65,10 +65,10 @@ To check on the detections, see [Review the results of Microsoft Defender Antivi
 
 3. In the list of tabs, select **Windows 10 unhealthy endpoints** or **Windows 11 unhealthy endpoints**.
 
-4. From the list of actions provided, select **Quick Scan** (recommended) or **Full Scan**.
+1. From the list of actions provided, select **Quick Scan** (recommended) or **Full Scan**.
 
    [![Scan options on the Windows 10 unhealthy endpoints tab.](media/mem-antivirus-scan-on-demand.png)](media/mem-antivirus-scan-on-demand.png#lightbox)
-
+   
 > [!TIP]
 > For more information about using Microsoft Configuration Manager to run a scan, see [Antimalware and firewall tasks: How to perform an on-demand scan](/configmgr/protect/deploy-use/endpoint-antimalware-firewall#how-to-perform-an-on-demand-scan-of-computers).
 
@@ -104,6 +104,9 @@ Set-MpPreference -QuickScanIncludeExclusions 1
 > [!NOTE]
 > A value of `1` enables the inclusion of paths that are excluded from antivirus using contextual exclusions with the following restrictions: `ScanTrigger:OnAccess`, `ScanTrigger:BM`, and `Process:`. For more information on how to set such exclusions see [Contextual file and folder exclusions](configure-contextual-file-folder-exclusions-microsoft-defender-antivirus.md). A value of `0` (default) disables the inclusion of the contextually excluded paths.
 
+> [!WARNING]
+> Including very large directories in quick scans using this setting may significantly increase the time it takes for the quick scan to complete.
+
 For more information on how to use PowerShell with Microsoft Defender Antivirus, see [Use PowerShell cmdlets to configure and run Microsoft Defender Antivirus](use-powershell-cmdlets-microsoft-defender-antivirus.md) and [Defender Antivirus cmdlets](/powershell/module/defender/).
 
 ## Use the mpcmdrun.exe command-line utility to run a scan