diff --git a/docs/patterns/javascript.rst b/docs/patterns/javascript.rst
index 4b1d7e0f..c9c4b0c8 100644
--- a/docs/patterns/javascript.rst
+++ b/docs/patterns/javascript.rst
@@ -125,8 +125,8 @@ in a Flask view.
 .. code-block:: javascript
 
     let data = new FormData()
-    data.append("name": "Flask Room")
-    data.append("description": "Talk about Flask here.")
+    data.append("name", "Flask Room")
+    data.append("description", "Talk about Flask here.")
     fetch(room_url, {
         "method": "POST",
         "body": data,