diff --git a/src/rcore/inlining.rs b/src/rcore/inlining.rs
index 531e7bf..d2c79ca 100644
--- a/src/rcore/inlining.rs
+++ b/src/rcore/inlining.rs
@@ -59,6 +59,7 @@ impl<D: ?Sized + Deserializer> Inlining for &mut D {
     }
 }
 
+/// [`InliningResultExt::seal`].
 pub trait InliningResultExt<A, E> {
     /// Drop the deserializer from parsing result.
     fn seal(self) -> Result<A, E>;