diff --git a/LibreMetaverse.Types/Utils.cs b/LibreMetaverse.Types/Utils.cs
index 90c68e0e..a80376a6 100644
--- a/LibreMetaverse.Types/Utils.cs
+++ b/LibreMetaverse.Types/Utils.cs
@@ -388,8 +388,10 @@ namespace OpenMetaverse
         /// <summary>
         /// Calculates a PBKDF2 hash of a given string
         /// </summary>
+        /// <remarks>Rfc2989 is outdated and insecure. Use at your own risk!</remarks>
         /// <param name="str">The string to hash</param>
         /// <returns>The PBKDF2 hash of the supplied string</returns>
+        [Obsolete("Rfc2989 is outdated and insecure. Use at your own risk!")]
         public static string PBKDF2(string str)
         {
             var derivebytes = new Rfc2898DeriveBytes(str, 32) {IterationCount = 10000};
diff --git a/LibreMetaverse.Utilities/Utilities.cs b/LibreMetaverse.Utilities/Utilities.cs
index c1f55eb6..009b0acb 100644
--- a/LibreMetaverse.Utilities/Utilities.cs
+++ b/LibreMetaverse.Utilities/Utilities.cs
@@ -90,7 +90,7 @@ namespace OpenMetaverse.Utilities
         }
 
         /// <summary>
-        ///  A psuedo-realistic chat function that uses the typing sound and
+        ///  A pseudo-realistic chat function that uses the typing sound and
         /// animation, types at three characters per second, and randomly 
         /// pauses. This function will block until the message has been sent
         /// </summary>
@@ -102,7 +102,7 @@ namespace OpenMetaverse.Utilities
         }
 
         /// <summary>
-        /// A psuedo-realistic chat function that uses the typing sound and
+        /// A pseudo-realistic chat function that uses the typing sound and
         /// animation, types at a given rate, and randomly pauses. This 
         /// function will block until the message has been sent
         /// </summary>