diff --git a/psiturk/example/templates/ad.html b/psiturk/example/templates/ad.html
index 66cf580e1..273bba805 100644
--- a/psiturk/example/templates/ad.html
+++ b/psiturk/example/templates/ad.html
@@ -41,7 +41,7 @@
margin-right: 1em;
}
- #container-ad {
+ #container-not-an-ad { /* obtuse name because pesky ad-blocker extensions */
background: white;
margin: 30px;
}
@@ -52,7 +52,7 @@
- 