Fixed a couple of small error messages.

2 files changed, 5 insertions, 1 deletions

diff --git a/src/DotNetOpenAuth/OpenId/Provider/OpenIdProvider.cs b/src/DotNetOpenAuth/OpenId/Provider/OpenIdProvider.cs
index c3780a9..6f0e7bf 100644
--- a/src/DotNetOpenAuth/OpenId/Provider/OpenIdProvider.cs
+++ b/src/DotNetOpenAuth/OpenId/Provider/OpenIdProvider.cs
@@ -328,7 +328,7 @@ namespace DotNetOpenAuth.OpenId.Provider {
 			var discoveredEndpoints = claimedIdentifier.Discover(this.WebRequestHandler);
 			if (!discoveredEndpoints.Contains(serviceEndpoint)) {
 				Logger.OpenId.DebugFormat(
-					"Failed to send unsolicited assertion for {0} because its discovered services did not include this endpoint.  This endpoint: {1}{2}  Discovered endpoints: {1}{3}",
+					"Failed to send unsolicited assertion for {0} because its discovered services did not include this endpoint: {1}{2}{1}Discovered endpoints: {1}{3}",
 					claimedIdentifier,
 					Environment.NewLine,
 					serviceEndpoint,
diff --git a/src/DotNetOpenAuth/OpenId/RelyingPartyDescription.cs b/src/DotNetOpenAuth/OpenId/RelyingPartyDescription.cs
index 112506b..6b82966 100644
--- a/src/DotNetOpenAuth/OpenId/RelyingPartyDescription.cs
+++ b/src/DotNetOpenAuth/OpenId/RelyingPartyDescription.cs
@@ -9,6 +9,7 @@ namespace DotNetOpenAuth.OpenId {
 	using System.Collections.Generic;
 	using System.Linq;
 	using System.Text;
+	using DotNetOpenAuth.Messaging;
 
 	/// <summary>
 	/// A description of some OpenID Relying Party endpoint.
@@ -25,6 +26,9 @@ namespace DotNetOpenAuth.OpenId {
 		/// The Type URIs of supported services advertised on a relying party's XRDS document.
 		/// </param>
 		internal RelyingPartyEndpointDescription(Uri returnTo, string[] supportedServiceTypeUris) {
+			ErrorUtilities.VerifyArgumentNotNull(returnTo, "returnTo");
+			ErrorUtilities.VerifyArgumentNotNull(supportedServiceTypeUris, "supportedServiceTypeUris");
+
 			this.ReturnToEndpoint = returnTo;
 			this.Protocol = GetProtocolFromServices(supportedServiceTypeUris);
 		}