diff --git a/docs/en/SimpleStateChecker.md b/docs/en/SimpleStateChecker.md
index 7dc853158d..9d4c243f72 100644
--- a/docs/en/SimpleStateChecker.md
+++ b/docs/en/SimpleStateChecker.md
@@ -58,7 +58,7 @@ services.Configure<AbpSimpleStateCheckerOptions<MyObject>>(options =>
 
 > Write this inside the `ConfigureServices` method of your module.
 
-### Check the state
+## Check the state
 
 You can inject `ISimpleStateCheckerManager<MyObject>` service to check state.