fix for git issue 15732

Author: unknown

articles/active-directory-b2c/active-directory-b2c-custom-setup-adfs2016-idp.md

@@ -8,7 +8,7 @@ manager: mtillman
 ms.service: active-directory
 ms.workload: identity
 ms.topic: conceptual
-ms.date: 09/20/2018
+ms.date: 11/05/2018
 ms.author: davidmu
 ms.component: B2C
 ---
@@ -60,6 +60,7 @@ You can define an ADFS account as a claims provider by adding it to the **Claims
           <Metadata>
             <Item Key="WantsEncryptedAssertions">false</Item>
             <Item Key="PartnerEntity">https://your-ADFS-domain/federationmetadata/2007-06/federationmetadata.xml</Item>
+            <Item Key=" XmlSignatureAlgorithm">Sha256</Item>
           </Metadata>
           <CryptographicKeys>
             <Key Id="SamlAssertionSigning" StorageReferenceId="B2C_1A_ADFSSamlCert"/>