diff --git a/syntax/mod.rs b/syntax/mod.rs
index f52a582..8ef3c8b 100644
--- a/syntax/mod.rs
+++ b/syntax/mod.rs
@@ -79,6 +79,7 @@
 }
 
 pub struct TypeAlias {
+    pub doc: Doc,
     pub type_token: Token![type],
     pub ident: Ident,
     pub eq_token: Token![=],
diff --git a/syntax/parse.rs b/syntax/parse.rs
index 3ac5304..c1c565f 100644
--- a/syntax/parse.rs
+++ b/syntax/parse.rs
@@ -396,9 +396,10 @@
         let eq_token: Token![=] = input.parse()?;
         let ty: RustType = input.parse()?;
         let semi_token: Token![;] = input.parse()?;
-        attrs::parse_doc(cx, &attrs);
+        let doc = attrs::parse_doc(cx, &attrs);
 
         Ok(TypeAlias {
+            doc,
             type_token,
             ident,
             eq_token,