diff --git a/docs/en/modules/openiddict.md b/docs/en/modules/openiddict.md
index b1fa80b101..feb4f3bccd 100644
--- a/docs/en/modules/openiddict.md
+++ b/docs/en/modules/openiddict.md
@@ -505,7 +505,7 @@ In the module's `app` directory there are six projects(including `angular`)
 * `OpenIddict.Demo.Client.BlazorWASM:` ASP NET Core Blazor application using `OidcAuthentication` for authentication.
 * `angular`: An angular application that integrates the abp ng modules and uses oauth for authentication.
 
-#### How to run?
+### How to run?
 
 Confirm the connection string of `appsettings.json` in the `OpenIddict.Demo.Server` project. Running the project will automatically create the database and initialize the data. 
 After running the `OpenIddict.Demo.API` project, then you can run the rest of the projects to test.