Update a test comment

Author: mdmintz

examples/test_inspect_html.py

@@ -1,6 +1,7 @@
 """
 Uses the SeleniumBase implementation of HTML-Inspector to inspect the HTML.
 See https://github.com/philipwalton/html-inspector for more details.
+(Only works on Chrome and Chromium-based browsers.)
 """
 
 from seleniumbase import BaseCase