diff --git a/readme.md b/readme.md
index 591f4a8..7e4da1b 100644
--- a/readme.md
+++ b/readme.md
@@ -477,7 +477,7 @@ import type {Data, Literal} from 'mdast'
 
 interface Toml extends Literal {
   type: 'toml'
-  data?: TomlData
+  data?: Data
 }
 
 declare module 'mdast' {