diff --git a/NSspi/SSPIException.cs b/NSspi/SSPIException.cs
index e440d8a..1b49e2d 100644
--- a/NSspi/SSPIException.cs
+++ b/NSspi/SSPIException.cs
@@ -7,25 +7,43 @@ using System.Threading.Tasks;
 
 namespace NSspi
 {
+    /// <summary>
+    /// The exception that is thrown when a problem occurs hwen using the SSPI system.
+    /// </summary>
     [Serializable]
     public class SSPIException : Exception
     {
         private SecurityStatus errorCode;
         private string message;
 
-        public SSPIException( SerializationInfo info, StreamingContext context )
+        /// <summary>
+        /// Initializes a new instance of the SSPIException class with the given message and status.
+        /// </summary>
+        /// <param name="message">A message explaining what part of the system failed.</param>
+        /// <param name="errorCode">The error code observed during the failure.</param>
+        public SSPIException( string message, SecurityStatus errorCode )
+        {
+            this.message = message;
+            this.errorCode = errorCode;
+        }
+        
+        /// <summary>
+        /// Initializes a new instance of the SSPIException class from serialization data.
+        /// </summary>
+        /// <param name="info"></param>
+        /// <param name="context"></param>
+        protected SSPIException( SerializationInfo info, StreamingContext context )
             : base( info, context )
         {
             this.message = info.GetString( "messsage" );
             this.errorCode = (SecurityStatus)info.GetUInt32( "errorCode" );
         }
 
-        public SSPIException( string message, SecurityStatus errorCode )
-        {
-            this.message = message;
-            this.errorCode = errorCode;
-        }
-
+        /// <summary>
+        /// Serializes the exception.
+        /// </summary>
+        /// <param name="info"></param>
+        /// <param name="context"></param>
         public override void GetObjectData( SerializationInfo info, StreamingContext context )
         {
             base.GetObjectData( info, context );
@@ -34,6 +52,9 @@ namespace NSspi
             info.AddValue( "errorCode", this.errorCode );
         }
 
+        /// <summary>
+        /// The error code that was observed during the SSPI call.
+        /// </summary>
         public SecurityStatus ErrorCode
         {
             get
@@ -42,6 +63,9 @@ namespace NSspi
             }
         }
 
+        /// <summary>
+        /// A human-readable message indicating the nature of the exception.
+        /// </summary>
         public override string Message
         {
             get