diff --git a/elements/x-preview/x-preview.html b/elements/x-preview/x-preview.html
index 8f1f37b7..f9ddec7d 100644
--- a/elements/x-preview/x-preview.html
+++ b/elements/x-preview/x-preview.html
@@ -78,6 +78,7 @@
         html += '    margin: 0;\n';
         // transform causes body to be offsetParent, which means it must be sized
         // body has transform to avoid the 'blinking bug'
+        // https://code.google.com/p/chromium/issues/detail?id=332024
         html += '    height: 100%;\n';
         html += '    transform: translateZ(0);\n';
         html += '    -webkit-transform: translateZ(0);\n';