diff --git a/Dynamic filtering: Benefits of blocking 3rd party iframe tags.md b/Dynamic filtering: Benefits of blocking 3rd party iframe tags.md
index 9eb1e3c..9d909b4 100644
--- a/Dynamic filtering: Benefits of blocking 3rd party iframe tags.md	
+++ b/Dynamic filtering: Benefits of blocking 3rd party iframe tags.md	
@@ -10,7 +10,7 @@ The web site was compromised, and users of the site were served tainted web page
 
 Using 3rd-party-sourced `<iframe>` to inject exploit on a user's computer is quite a common technique. [Example](http://www.volexity.com/blog/?p=33). [Example](http://arstechnica.com/security/2013/10/hackers-compromise-official-php-website-infect-visitors-with-malware/). [Example](http://www.wired.com/2013/08/freedom-hosting/). [Example](http://blog.armorize.com/2011/07/willysycom-mass-injection-ongoing.html). Etc.
 
-<p align="center"><img src="https://raw.githubusercontent.com/gorhill/uBlock/master/doc/img/dynamic-filtering-9.png" /><br><sup><a href="http://www.volexity.com/blog/?p=33">"Compromised Pro-Democratic Hong Kong Websites"</a>, volexity.com</sup></p>
+<p align="center"><img src="https://raw.githubusercontent.com/gorhill/uBlock/master/doc/img/dynamic-filtering-9.png" /><br><sub><a href="http://www.volexity.com/blog/?p=33">"Compromised Pro-Democratic Hong Kong Websites"</a>, volexity.com.</sub><br><sup>µBlock shown just as a reminder on how to block 3rd-party &lt;iframe&gt; tags.</sup></p>
 
 Simply blocking 3rd-party `<iframe>` by default foils such exploit.