diff --git a/src/libcore/str/mod.rs b/src/libcore/str/mod.rs
index 7a5511ee1dc8..c765e06301d6 100644
--- a/src/libcore/str/mod.rs
+++ b/src/libcore/str/mod.rs
@@ -4061,7 +4061,7 @@ impl str {
     /// Both are equivalent to:
     ///
     /// ```
-    /// println!("\\u{{2764}}\n!");
+    /// println!("\\u{{2764}}\\n!");
     /// ```
     ///
     /// Using `to_string`: