fix code block

Author: barbkess

articles/active-directory/manage-apps/application-proxy-enable.md

@@ -32,15 +32,15 @@ You need a server running Windows Server 2012 R2 or later on which you can insta
 
 The windows server needs to have TLS 1.2 enabled before you install the Application Proxy connector. Existing connectors with versions below 1.5.612.0 will continue to work on prior versions of TLS until further notice. To enable TLS 1.2:
 
-	1. Set the following registry keys:
+1. Set the following registry keys:
 
-       ```
-       [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.2]
-       [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.2\Client] "DisabledByDefault"=dword:00000000 "Enabled"=dword:00000001
-       [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\.NETFramework\v4.0.30319] "SchUseStrongCrypto"=dword:00000001
-       ```
+    ```
+    [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.2]
+    [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.2\Client] "DisabledByDefault"=dword:00000000 "Enabled"=dword:00000001
+    [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\.NETFramework\v4.0.30319] "SchUseStrongCrypto"=dword:00000001
+    ```
 
-    2. Restart the server
+2. Restart the server
 
 For single sign-on to applications that use Integrated Windows Authentication and Kerberos Contrained Delegation (KCD), the Windows server and the applications you are publishing need to be in the same Active Directory domain. For more information, see [KCD for single sign-on with Application Proxy](application-proxy-configure-single-sign-on-with-kcd.md).