diff --git a/docs/en/Community-Articles/2022-11-14-How-to-add-a-custom-grant-type-in-OpenIddict/POST.md b/docs/en/Community-Articles/2022-11-14-How-to-add-a-custom-grant-type-in-OpenIddict/POST.md
index 0401c31898..8f45279b3d 100644
--- a/docs/en/Community-Articles/2022-11-14-How-to-add-a-custom-grant-type-in-OpenIddict/POST.md
+++ b/docs/en/Community-Articles/2022-11-14-How-to-add-a-custom-grant-type-in-OpenIddict/POST.md
@@ -73,10 +73,10 @@ public class MyTokenExtensionGrant : ITokenExtensionGrant
         claimsPrincipal.SetResources(await GetResourcesAsync(context, principal.GetScopes()));
 
         //abp version < 7.3
-        await context.HttpContext.RequestServices.GetRequiredService<AbpOpenIddictClaimDestinationsManager>().SetAsync(principal);
+        await context.HttpContext.RequestServices.GetRequiredService<AbpOpenIddictClaimDestinationsManager>().SetAsync(claimsPrincipal);
 
         //For abp version >= 7.3
-        await context.HttpContext.RequestServices.GetRequiredService<AbpOpenIddictClaimsPrincipalManager>().HandleAsync(context.Request, principal);
+        await context.HttpContext.RequestServices.GetRequiredService<AbpOpenIddictClaimsPrincipalManager>().HandleAsync(context.Request, claimsPrincipal);
 
         return new SignInResult(OpenIddictServerAspNetCoreDefaults.AuthenticationScheme, claimsPrincipal);
     }