Fix copy-paste error in procedural-macros.md
@@ -262,8 +262,8 @@ fn invoke3() {}
// Example:
#[show_streams { delimiters }]
fn invoke4() {}
-// out: "delimiters"
-// out: "fn invoke4() {}"
+// out: attr: "delimiters"
+// out: item: "fn invoke4() {}"
```
[`TokenStream`]: ../proc_macro/struct.TokenStream.html
