diff --git a/config/webpack.prod.js b/config/webpack.prod.js
index 179ab4a6..c4af34fd 100644
--- a/config/webpack.prod.js
+++ b/config/webpack.prod.js
@@ -15,6 +15,7 @@ const config = merge(common, {
       )
     }),
     new webpack.optimize.UglifyJsPlugin({
+      // TODO: Is this needed with the devtool setting above?
       sourceMap: true
     }),
     new workboxPlugin.GenerateSW({