Fix missing description

_includes/sections/browser-addons.html

@@ -44,6 +44,12 @@ chrome="https://chrome.google.com/webstore/detail/decentraleyes/ldpochfccmkkmhdb
 opera="https://addons.opera.com/en/extensions/details/decentraleyes"
 %}
 
+<h2>Additional Functionality</h2>
+
+<div class="alert alert-secondary" role="alert">
+  These add-ons don't necessarily add to your privacy when browsing the web, but add additional functionality to your browser you may find useful.
+</div>
+
 {% include cardv2.html
 title="Terms of Service; Didn’t Read: Be Informed"
 image="/assets/img/svg/3rd-party/terms_of_service_didnt_read.svg"