Update README.md

Author: donuty

README.md

@@ -1,5 +1,7 @@
 # Bookmark:  An Application for Searching Author Books through the New York Times
 
+For a demonstration, please click the image or the link at the bottom.
+
 <a href="http://www.youtube.com/watch?feature=player_embedded&v=-w2HLETgMG8
 " target="_blank"><img src="https://github.com/donuty/bookmark/blob/main/bookmarkappscreenshot.png?raw=true" 
 alt="Screenshot of sorbet-colored Bookmark application featuring search result for author 'Lisa Ko'" width="385" height="622" border="10" /></a>