diff --git a/README.org b/README.org
index e46e899..8a568cf 100644
--- a/README.org
+++ b/README.org
@@ -4400,6 +4400,7 @@ initializes a list of =webjump-sites=.
        '(webjump-sites
          '(("CS 325 AI Programming" . "courses.cs.northwestern.edu/325")
            ("Emacs News" . "sachachua.com/blog/category/emacs-news")
+           ("Mastering Emacs" . "www.masteringemacs.org")
            ("Planet Emacs Life" . "planet.emacslife.com")
            ("Real Python" . "realpython.com")
            ("Worg - Org Mode Community" . "orgmode.org/worg")