diff --git a/windows/security/information-protection/kernel-dma-protection-for-thunderbolt.md b/windows/security/information-protection/kernel-dma-protection-for-thunderbolt.md
index fc494015d5..17127719eb 100644
--- a/windows/security/information-protection/kernel-dma-protection-for-thunderbolt.md
+++ b/windows/security/information-protection/kernel-dma-protection-for-thunderbolt.md
@@ -6,7 +6,7 @@ ms.mktglfcycl: deploy
 ms.sitesec: library
 ms.pagetype: security
 author: aadake
-ms.date: 09/06/2018
+ms.date: 09/19/2018
 ---
 
 # Kernel DMA Protection for Thunderbolt™ 3 
@@ -19,6 +19,8 @@ Drive-by DMA attacks can lead to disclosure of sensitive information residing on
 
 This feature does not protect against DMA attacks via 1394/FireWire, PCMCIA, CardBus, ExpressCard, and so on.
 
+For Thunderbolt DMA protection on earlier Windows versions and other platforms that lack support for Kernel DMA Protection, please refer to Intel documentation.
+
 ## Background
 
 PCI devices are DMA-capable, which allows them to read and write to system memory at will, without having to engage the system processor in these operations.