Fix link text for redirection notice

Author: chasejwebber

docs/index.md

@@ -7,4 +7,4 @@ VIMBook – 7th Edition
 - The 7th Edition of the Vanderbilt Housestaff Handbook is now live at vimbook.vumc.org. Click below to go to the new page.
 <meta http-equiv="refresh" content="0; url=https://vimbook.vumc.org">
 
-If you are not redirected, [click here](https://www.vimbook.vumc.org).
+If you are not redirected, [click here](https://vimbook.vumc.org).