diff --git a/src/lib.rs b/src/lib.rs
index c121d17f..6ddea3e8 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1382,7 +1382,9 @@ pub struct TimestampNanoSecondsWithFrac<
 /// #     vec: "QWEh",
 /// # )"#;
 ///
-/// assert_eq!(expected, ron::ser::to_string_pretty(&value, Default::default()).unwrap());
+/// # let pretty_config = ron::ser::PrettyConfig::new()
+/// #     .with_new_line("\n".into());
+/// assert_eq!(expected, ron::ser::to_string_pretty(&value, pretty_config).unwrap());
 /// assert_eq!(value, ron::from_str(&expected).unwrap());
 /// # }
 /// ```