diff --git a/crates/toml_edit/README.md b/crates/toml_edit/README.md
index b6d1275b..bdc75693 100644
--- a/crates/toml_edit/README.md
+++ b/crates/toml_edit/README.md
@@ -16,14 +16,14 @@ relative order* of items.
 ## Example
 
 ```rust
-use toml_edit::{Document, value};
+use toml_edit::{DocumentMut, value};
 
 fn main() {
     let toml = r#"
 "hello" = 'toml!' # comment
 ['a'.b]
     "#;
-    let mut doc = toml.parse::<Document>().expect("invalid doc");
+    let mut doc = toml.parse::<DocumentMut>().expect("invalid doc");
     assert_eq!(doc.to_string(), toml);
     // let's add a new key/value pair inside a.b: c = {d = "hello"}
     doc["a"]["b"]["c"]["d"] = value("hello");