diff --git a/snippets/flip.md b/snippets/flip.md
index 34a7d1f3b..502cef288 100644
--- a/snippets/flip.md
+++ b/snippets/flip.md
@@ -15,4 +15,4 @@ mergePerson(b) // == b
 b = {}
 Object.assign(b, a) // == b
 */
-```
+```