diff --git a/docs/reference/neural-network.md b/docs/reference/neural-network.md
index a0c97b758..1a39b5f63 100644
--- a/docs/reference/neural-network.md
+++ b/docs/reference/neural-network.md
@@ -123,7 +123,7 @@ const options = {
   dataUrl: "data/colorData.json",
   task: 'classification',
   inputs:['r', 'g', 'b'],
-  outputs:['color']
+  outputs:['color'],
   debug: true
 }