diff --git a/windows/device-security/TOC.md b/windows/device-security/TOC.md
index 467523b9ca..5294ed490a 100644
--- a/windows/device-security/TOC.md
+++ b/windows/device-security/TOC.md
@@ -661,9 +661,9 @@
 ### [Understanding PCR banks on TPM 2.0 devices](tpm/switch-pcr-banks-on-tpm-2-0-devices.md)
 ### [TPM recommendations](tpm/tpm-recommendations.md)
 
-# [Windows security baselines](windows-security-baselines.md)
-## [Security Compliance Toolkit](security-compliance-toolkit-10.md)
-## [Get support](get-support-for-security-baselines.md)
+## [Windows security baselines](windows-security-baselines.md)
+### [Security Compliance Toolkit](security-compliance-toolkit-10.md)
+### [Get support](get-support-for-security-baselines.md)
 
 ## [Windows 10 Mobile security guide](windows-10-mobile-security-guide.md)
 
diff --git a/windows/device-security/change-history-for-device-security.md b/windows/device-security/change-history-for-device-security.md
index 148538f76e..f87ef6a78a 100644
--- a/windows/device-security/change-history-for-device-security.md
+++ b/windows/device-security/change-history-for-device-security.md
@@ -11,10 +11,14 @@ author: brianlic-msft
 # Change history for device security
 This topic lists new and updated topics in the [Device security](index.md) documentation.
 
-## September 2017
+## October 2017
 |New or changed topic |Description |
 |---------------------|------------|
 | [TPM fundamentals](tpm/tpm-fundamentals.md)<br>[BitLocker Group Policy settings](bitlocker/bitlocker-group-policy-settings.md) | Explained the change to allow reducing the maximum PIN length from 6 characters to 4. |
+| [Windows security baselines](windows-security-baselines.md) | New. Security baselines added for Windows 10, versions 1703 and 1709. |
+| [Security Compliance Toolkit](security-compliance-toolkit-10.md) | New. Includes a link to tools for managing security baselines. |
+| [Get support for security baselines](get-support-for-security-baselines.md) | New. Explains supported versions for security baselines and other support questions.  |
+
 
 
 ## August 2017