Update OAuthHandler.cs (#53762)

Author: merijndejonge

src/Security/Authentication/OAuth/src/OAuthHandler.cs

@@ -225,11 +225,11 @@ protected virtual async Task<OAuthTokenResponse> ExchangeCodeAsync(OAuthCodeExch
         return response.IsSuccessStatusCode switch
         {
             true => OAuthTokenResponse.Success(JsonDocument.Parse(body)),
-            false => PrepareFailedOAuthTokenReponse(response, body)
+            false => PrepareFailedOAuthTokenResponse(response, body)
         };
     }
 
-    private static OAuthTokenResponse PrepareFailedOAuthTokenReponse(HttpResponseMessage response, string body)
+    private static OAuthTokenResponse PrepareFailedOAuthTokenResponse(HttpResponseMessage response, string body)
     {
         var exception = OAuthTokenResponse.GetStandardErrorException(JsonDocument.Parse(body));