diff --git a/charming/tests/line.rs b/charming/tests/line.rs
index 7db4b2b..ded5c22 100644
--- a/charming/tests/line.rs
+++ b/charming/tests/line.rs
@@ -17,9 +17,9 @@ fn basic_line_chart() {
         "series": [
           {
             "data": [150, 230, 224, 218, 135, 147, 260],
-            "type": "line",
+            "type": "line"
           }
-        ],
+        ]
       }
     );