diff --git a/styles/App.css b/styles/App.css
index 32daff06..3fc8ff3f 100644
--- a/styles/App.css
+++ b/styles/App.css
@@ -8,6 +8,7 @@ body {
 .container {
   height: 100%;
   background-color: white;
+  /* MPT-33: changed lines 12 & 13 */
   background-color: lightgrey;
   color: black;
 }