diff --git a/docs/en/src/default_value.md b/docs/en/src/default_value.md
index 63110662..91d4898c 100644
--- a/docs/en/src/default_value.md
+++ b/docs/en/src/default_value.md
@@ -48,7 +48,7 @@ enum MyInterface {
 ```rust
 use async_graphql::*;
 
-#derive(InputObject)
+#[derive(InputObject)]
 struct MyInputObject {
     #[graphql(default)]
     value1: i32,
diff --git a/docs/zh-CN/src/default_value.md b/docs/zh-CN/src/default_value.md
index c1faa787..027896f5 100644
--- a/docs/zh-CN/src/default_value.md
+++ b/docs/zh-CN/src/default_value.md
@@ -47,7 +47,7 @@ enum MyInterface {
 ```rust
 use async_graphql::*;
 
-#derive(InputObject)
+#[derive(InputObject)]
 struct MyInputObject {
     #[graphql(default)]
     value1: i32,