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diff --git a/TopDog.tex b/TopDog.tex
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@@ -554,7 +554,7 @@ The web server will then process the request and reply with a HTTP response.
 Since you clicked \texttt{step}, ZAP will capture this request as well and show
 it to you, just like in \cref{fig:response}. Now, click the \texttt{play} button
 which will deactivate the break point entirely and send the response back to the
-attack browser.
+attack browser. We recommend using Firefox as your attack browser.
 
 ZAP has many more features, but for this lab you only need to concern yourself
 with the break/step/play features. Note that the web browser will be stuck on