diff --git a/Server/src/OAuth20.Server/Services/AuthorizeResultService.cs b/Server/src/OAuth20.Server/Services/AuthorizeResultService.cs
index efb25ea..68d168c 100644
--- a/Server/src/OAuth20.Server/Services/AuthorizeResultService.cs
+++ b/Server/src/OAuth20.Server/Services/AuthorizeResultService.cs
@@ -363,7 +363,7 @@ private int SaveJWTTokenInBackStore(string clientId, string accessToken, DateTim
 
         private bool codeVerifierIsSendByTheClientThatReceivedTheCode(string codeVerifier, string codeChallenge, string codeChallengeMethod)
         {
-            var odeVerifireAsByte = Encoding.ASCII.GetBytes(codeVerifier);
+            var codeVerifiedAsByte = Encoding.ASCII.GetBytes(codeVerifier);
 
             if (codeChallengeMethod == Constants.ChallengeMethod.Plain)
             {
@@ -374,7 +374,7 @@ private bool codeVerifierIsSendByTheClientThatReceivedTheCode(string codeVerifie
             {
 
                 using var shaS256 = SHA256.Create();
-                var computedHashS256 = shaS256.ComputeHash(odeVerifireAsByte);
+                var computedHashS256 = shaS256.ComputeHash(codeVerifiedAsByte);
                 var tranformedResultS256 = Base64UrlEncoder.Encode(computedHashS256);
 
                 return tranformedResultS256.Equals(codeChallenge);