diff --git a/src/rcore/inlining.rs b/src/rcore/inlining.rs
index 1ccce60..e678711 100644
--- a/src/rcore/inlining.rs
+++ b/src/rcore/inlining.rs
@@ -19,6 +19,7 @@ pub trait Inlining: Sized {
 }
 
 pub trait InliningExt<E>: Inlining {
+    /// `const`-length equivalent of [`Inlining::iread_n`].
     fn iread_n_const<const N: usize>(
         self,
         err: impl FnOnce(&[u8]) -> E,
@@ -58,6 +59,7 @@ impl<D: ?Sized + Deserializer> Inlining for &mut D {
 }
 
 pub trait InliningResultExt<A, E> {
+    /// Drop the deserializer from parsing result.
     fn seal(self) -> Result<A, E>;
 }