diff --git a/Sources/Real/RealAuthorizationController.swift b/Sources/Real/RealAuthorizationController.swift
index 545cfa6..40ae4f9 100644
--- a/Sources/Real/RealAuthorizationController.swift
+++ b/Sources/Real/RealAuthorizationController.swift
@@ -75,7 +75,7 @@ final public class RealAuthorizationController: AuthorizationControllerProtocol,
     
     @MainActor
     public func signalAllAcceptedCredentials(rpID: String, userHandle: Data, acceptedCredentialIDs: [Data]) async throws(AuthorizationError) {
-        if #available(iOS 26.0, *) {
+        if #available(iOS 26.0, macOS 26.0, *) {
             let credentialUpdater = ASCredentialUpdater()
             do {
                 try await credentialUpdater.reportAllAcceptedPublicKeyCredentials(
diff --git a/Sources/SimpleAuthenticationServices.swift b/Sources/SimpleAuthenticationServices.swift
index 2bfec50..405c2aa 100644
--- a/Sources/SimpleAuthenticationServices.swift
+++ b/Sources/SimpleAuthenticationServices.swift
@@ -119,9 +119,17 @@ public enum AuthorizationErrorType: String, Equatable, Sendable, Codable {
 public struct AuthorizationError: Error, LocalizedError, Sendable {
     public let type: AuthorizationErrorType
     public let originalError: Error?
-    
+
     public init(type: AuthorizationErrorType, originalError: Error? = nil) {
         self.type = type
         self.originalError = originalError
     }
+
+    public var errorDescription: String? {
+        guard let originalError else {
+            return "AuthorizationError(type: \(type.rawValue))"
+        }
+
+        return "AuthorizationError(type: \(type.rawValue), originalError: \(String(describing: originalError)))"
+    }
 }