diff --git a/lib/transforms/buildProduction.js b/lib/transforms/buildProduction.js
index <HASH>..<HASH> 100644
--- a/lib/transforms/buildProduction.js
+++ b/lib/transforms/buildProduction.js
@@ -187,6 +187,7 @@ module.exports = function (options) {
                 .endif()
             .endif()
             .if(options.canonicalUrl)
+                // Maybe this should be the effect of updating assetGraph.root?
                 .moveAssets({isLoaded: true, isInline: false}, function (asset, assetGraph) {
                     if (asset.url.indexOf(assetGraph.root) === 0) {
                         return assetGraph.resolveUrl(options.canonicalUrl, urlTools.buildRelativeUrl(assetGraph.root, asset.url));
buildProduction: Added comment with an idea.