diff --git a/pages/docs/concepts/function.en.mdx b/pages/docs/concepts/function.en.mdx
index 4942280d..ef80dacf 100644
--- a/pages/docs/concepts/function.en.mdx
+++ b/pages/docs/concepts/function.en.mdx
@@ -153,8 +153,8 @@ impl RustClass {
 
 #[napi]
 pub fn call_function_with_apply(
-  callback: Function<(), ()>,
   this: ClassInstance<RustClass>,
+  callback: Function<(), ()>,
 ) -> Result<()> {
   callback.apply(this, ())
 }
@@ -210,4 +210,4 @@ pub fn build_threadsafe_function_from_function(
 
   Ok(())
 }
-```
\ No newline at end of file
+```