diff --git a/NSspi/Credentials/Credential.cs b/NSspi/Credentials/Credential.cs
index 4b9cd19..69fad07 100644
--- a/NSspi/Credentials/Credential.cs
+++ b/NSspi/Credentials/Credential.cs
@@ -69,7 +69,9 @@ namespace NSspi.Credentials
         }
 
         /// <summary>
-        /// Returns the name of the principle of the credential.
+        /// Returns the User Principle Name of the credential. Depending on the underlying security
+        /// package used by the credential, this may not be the same as the Down-Level Logon Name
+        /// for the user.
         /// </summary>
         public string PrincipleName
         {
diff --git a/NSspi/SecurityStatus.cs b/NSspi/SecurityStatus.cs
index 754ad11..e3eef6c 100644
--- a/NSspi/SecurityStatus.cs
+++ b/NSspi/SecurityStatus.cs
@@ -20,6 +20,9 @@ namespace NSspi
     #define SEC_E_NO_CREDENTIALS             _HRESULT_TYPEDEF_(0x8009030EL)
     */
 
+    /// <summary>
+    /// Defines the results of invoking the SSPI api.
+    /// </summary>
     public enum SecurityStatus : uint
     {
         // --- Success / Informational ---