diff --git a/src/rcore/modes.rs b/src/rcore/modes.rs
index 3a096d8..effbbb4 100644
--- a/src/rcore/modes.rs
+++ b/src/rcore/modes.rs
@@ -2,6 +2,7 @@ use std::marker::PhantomData;
 
 use super::*;
 
+/// [`Mode`] equivalent of [`ParseResult`].
 pub type ModeResult<M, A, E, I> = Result<<M as Mode>::ParseSuccess<A, I>, E>;
 
 /// Mode of parsing.