diff --git a/seed/challenges/04-data-visualization/data-visualization-with-d3.json b/seed/challenges/04-data-visualization/data-visualization-with-d3.json
index 63a3ce72c3..bb5406a3dc 100644
--- a/seed/challenges/04-data-visualization/data-visualization-with-d3.json
+++ b/seed/challenges/04-data-visualization/data-visualization-with-d3.json
@@ -2104,7 +2104,7 @@
         "       .data(dataset)",
         "       .enter()",
         "       .append(\"text\")",
-        "       .text((d) =>  (d[0] + ",
+        "       .text((d) =>  (d[0] + \", \"",
         " + d[1]))",
         "       // Add your code below this line",
         "       ",
@@ -2276,4 +2276,4 @@
       }
     }
   ]
-}
\ No newline at end of file
+}