diff --git a/Extensions/XAiServiceExtensions.cs b/Extensions/XAiServiceExtensions.cs
index 0d45d1e..00e51c8 100644
--- a/Extensions/XAiServiceExtensions.cs
+++ b/Extensions/XAiServiceExtensions.cs
@@ -9,15 +9,15 @@ namespace xAiService.Extensions
         /// <summary>
         /// Validate User Info ...
         /// </summary>
-        /// <param name="userInfo"></param>
+        /// <param name="source"></param>
         /// <returns></returns>
-        public static bool IsValid(this XUserClaimsInfoDto userInfo)
+        public static bool IsValid(this XUserClaimsInfoDto source)
         {
             //
             var result =
-                !userInfo.IsNullOrDefault() &&
-                !userInfo.UserId.IsNullOrEmpty() &&
-                !userInfo.AccessToken.IsNullOrEmpty();
+                !source.IsNullOrDefault() &&
+                !source.UserId.IsNullOrEmpty() &&
+                !source.AccessToken.IsNullOrEmpty();
 
             //
             return result;
@@ -26,15 +26,15 @@ namespace xAiService.Extensions
         /// <summary>
         /// Validate User Info ...
         /// </summary>
-        /// <param name="userInfo"></param>
+        /// <param name="source"></param>
         /// <param name="invalidException"></param>
         public static void Validate(
-            this XUserClaimsInfoDto userInfo,
+            this XUserClaimsInfoDto source,
             XException invalidException = XException.InvalidArgs
         )
         {
             //
-            var isValid = userInfo.IsValid();
+            var isValid = source.IsValid();
             if (!isValid)
             {
                 invalidException.Throw();