diff --git a/crates/oxc_ast_macros/src/lib.rs b/crates/oxc_ast_macros/src/lib.rs
index 6b4220cdd8c6aa..c6726f109fbd15 100644
--- a/crates/oxc_ast_macros/src/lib.rs
+++ b/crates/oxc_ast_macros/src/lib.rs
@@ -17,9 +17,10 @@ fn enum_repr(enum_: &syn::ItemEnum) -> TokenStream2 {
 /// It is also a lightweight macro; All of its computation is cached and
 /// it only applies the following changes without any complex operation:
 ///
+/// * Prepend `#[repr(C)]` to structs
 /// * Prepend `#[repr(C, u8)]` to fieldful enums e.g. `enum E { X: u32, Y: u8 }`
 /// * Prepend `#[repr(u8)]` to unit (fieldless) enums e.g. `enum E { X, Y, Z, }`
-/// * Prepend `#[derive(oxc_ast_macros::Ast)]`
+/// * Prepend `#[derive(oxc_ast_macros::Ast)]` to all structs and enums
 ///
 #[proc_macro_attribute]
 #[allow(clippy::missing_panics_doc)]