diff --git a/README.md b/README.md
index f5b280ad..6630710c 100644
--- a/README.md
+++ b/README.md
@@ -76,7 +76,7 @@ useBuiltInExtensions
 | `onInit` | `Function` | `undefined` | This will return an Object with the current `state` and `view` of Prosemirror on init. |
 | `onFocus` | `Function` | `undefined` | This will return an Object with the `event` and current `state` and `view` of Prosemirror on focus. |
 | `onBlur` | `Function` | `undefined` | This will return an Object with the `event` and current `state` and `view` of Prosemirror on blur. |
-| `onUpdate` | `Function` | `undefined` | This will return an Object with the current `state` of Prosemirror, a `getJSON()` and `getHTML()` function on every change. |
+| `onUpdate` | `Function` | `undefined` | This will return an Object with the current `state` of Prosemirror, a `getJSON()` and `getHTML()` function and the `transaction` on every change. |
 
 ## Components