Update error-code-aadsts76021-request-not-signed.md

Author: ryanberg-aquent

support/entra/entra-id/app-integration/error-code-aadsts76021-request-not-signed.md

@@ -12,7 +12,7 @@ ms.custom: sap:Issues Signing In to Applications
 
 ## Summary
 
-The **AADSTS76021** (ApplicationRequiresSignedRequests) error occurs during federated authentication by using Microsoft Entra ID when you use SAML-based single sign-on (SSO). This error indicates that the client didn't sign the request, but the application requires signed requests. Even if the client signs the request, the signature might not be placed according to the SAML binding configuration.
+The **AADSTS76021** (ApplicationRequiresSignedRequests) error occurs during federated authentication by using Microsoft Entra ID when you use SAML-based single sign-on (SSO). This error indicates that the client didn't sign the request, but the application requires signed requests. Even if the client signs the request, the signature might not be added according to the SAML binding configuration.
 
 According to the [SAML specifications](https://docs.oasis-open.org/security/saml/v2.0/saml-bindings-2.0-os.pdf), the two primary and most commonly used binding types are: