diff --git a/README.adoc b/README.adoc
index 34ce64d2..96fa3390 100644
--- a/README.adoc
+++ b/README.adoc
@@ -1515,8 +1515,8 @@ Say you have an HTML layout like this:
 <iframe src="...">
   <iframe src="...">
     <button id="the-goal">
-  </frame>
-</frame>
+  </iframe>
+</iframe>
 ----
 
 So you can reach the button with the following code: