diff --git a/src/rcore.rs b/src/rcore.rs
index 702e09d..9efa3f3 100644
--- a/src/rcore.rs
+++ b/src/rcore.rs
@@ -66,7 +66,7 @@ pub type Fctr<'a, Ctx, A> = <A as Mentionable<'a, Ctx>>::Fctr;
 /// Shorthand for the type of vaalues returned by [`Factory::deserialize`].
 pub type ParseResult<'a, Ctx, F> = Result<Mtbl<'a, Ctx, F>, <F as Factory<'a, Ctx>>::ParseError>;
 
-/// [`ParseResult`] associated with a [Mentionable] (instead of a [Factory]).
+/// [`ParseResult`] associated with a [`Mentionable`] (instead of a [`Factory`]).
 pub type ParseResultA<'a, Ctx, A> = Result<A, ParseErrorA<'a, Ctx, A>>;
 
 /// Trait representing deserialisation rules for [Mentionable]s.
@@ -83,6 +83,7 @@ pub trait Factory<'a, Ctx: Context<'a>>: 'a + Send + Sync + Clone {
     fn extend(&self, mentionable: Self::Mtbl, tail: &[u8]) -> ParseResult<'a, Ctx, Self>;
 }
 
+/// [`Mentionable`] associated with the [`Factory`]. Mostly useful for `type` definitions.
 pub type Mtbl<'a, Ctx, F> = <F as Factory<'a, Ctx>>::Mtbl;
 
 pub type ParseError<'a, Ctx, F> = <F as Factory<'a, Ctx>>::ParseError;