diff --git a/windows/access-protection/hello-for-business/hello-hybrid-cert-whfb-settings-dir-sync.md b/windows/access-protection/hello-for-business/hello-hybrid-cert-whfb-settings-dir-sync.md
index 084999e656..84044525a4 100644
--- a/windows/access-protection/hello-for-business/hello-hybrid-cert-whfb-settings-dir-sync.md
+++ b/windows/access-protection/hello-for-business/hello-hybrid-cert-whfb-settings-dir-sync.md
@@ -20,7 +20,7 @@ ms.date: 09/08/2017
[< Configure Active Directory](hello-hybrid-cert-whfb-settings-ad.md)
[Configure PKI >](hello-hybrid-cert-whfb-settings-pki.md)
-## Directory Syncrhonization
+## Directory Synchronization
>[!IMPORTANT]
>This guide only applies to Hybrid deployments for Windows 10, version 1703 or higher.
diff --git a/windows/device-security/device-guard/deploy-code-integrity-policies-steps.md b/windows/device-security/device-guard/deploy-code-integrity-policies-steps.md
index 8b11311fb6..8c523bb65d 100644
--- a/windows/device-security/device-guard/deploy-code-integrity-policies-steps.md
+++ b/windows/device-security/device-guard/deploy-code-integrity-policies-steps.md
@@ -76,6 +76,8 @@ Certain software applications may allow additional code to run by design. These
Microsoft recommends that you install the latest security updates. The June 2017 Windows updates resolve several issues in in-box PowerShell modules that allowed an attacker to bypass Windows Defender Device Guard code integrity policies. These modules cannot be blocked by name or version, and therefore must be blocked by their corresponding hashes.
+For October 2017, we are announcing an update to system.management.automation.dll in which we are revoking older versions by hash values, instead of version rules.
+
Microsoft recommends that you block the following Microsoft-signed applications and PowerShell files by merging the following policy into your existing policy to add these deny rules using the Merge-CIPolicy cmdlet:
```
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