fix errors

windows/security/identity-protection/access-control/active-directory-security-groups.md

@@ -328,7 +328,7 @@ The following tables provide descriptions of the default groups that are located
 <td><p>Yes</p></td>
 </tr>
 <tr class="odd">
-<td><p>[Enterprise Key Admins](#bkmk-enterprise-key-admins)</p></td>
+<td><p>[Enterprise Key Admins](#enterprise-key-admins)</p></td>
 <td><p>Yes</p></td>
 <td><p></p></td>
 <td><p></p></td>

windows/security/identity-protection/credential-guard/credential-guard-manage.md

@@ -23,7 +23,7 @@ ms.date: 03/01/2019
 
 
 ## Enable Windows Defender Credential Guard
-Windows Defender Credential Guard can be enabled either by using [Group Policy](#enable-credential-guard-by-using-group-policy), the [registry](#enable-credential-guard-by-using-the-registry), or the Windows Defender Device Guard and Windows Defender Credential Guard [hardware readiness tool](#hardware-readiness-tool). Windows Defender Credential Guard can also protect secrets in a Hyper-V virtual machine, just as it would on a physical machine.
+Windows Defender Credential Guard can be enabled either by using [Group Policy](#enable-windows-defender-credential-guard-by-using-group-policy), the [registry](#enable-windows-defender-credential-guard-by-using-the-registry), or the Windows Defender Device Guard and Windows Defender Credential Guard [hardware readiness tool](#hardware-readiness-tool). Windows Defender Credential Guard can also protect secrets in a Hyper-V virtual machine, just as it would on a physical machine.
 The same set of procedures used to enable Windows Defender Credential Guard on physical machines applies also to virtual machines.
 
 

windows/security/threat-protection/windows-defender-exploit-guard/evaluate-attack-surface-reduction.md

@@ -9,7 +9,7 @@ ms.mktglfcycl: manage
 ms.sitesec: library
 ms.pagetype: security
 ms.localizationpriority: medium
-author: @Justinha
+author: Justinha
 ms.author: justinha
 ms.date: 04/02/2019
 ---