diff --git a/README.md b/README.md
index 24a39599..ed6248e8 100644
--- a/README.md
+++ b/README.md
@@ -54,7 +54,7 @@ THE SOFTWARE.
 ## References
 
 **h5ai** profits from these great projects:  
-[GNOME Symbolic Icons](https://github.com/GNOME/gnome-icon-theme-symbolic) (CC BY-SA 3.0),
+[GNOME Symbolic Icons](https://github.com/GNOME/gnome-icon-theme-symbolic) (CC BY‑SA 3.0),
 [HTML5 ★ Boilerplate](http://html5boilerplate.com) (MIT),
 [jQuery](http://jquery.com) (MIT),
 [jQuery.mousewheel](https://github.com/brandonaaron/jquery-mousewheel) (MIT),
@@ -65,7 +65,8 @@ THE SOFTWARE.
 [Modernizr](http://www.modernizr.com) (MIT/BSD),
 [modulejs](http://larsjung.de/modulejs/) (MIT),
 [Moment.js](http://momentjs.com) (MIT),
-[Prism](http://prismjs.com) (MIT)
+[Prism](http://prismjs.com) (MIT),
+[Ubuntu Font Family](http://font.ubuntu.com) (UBUNTU FONT LICENCE)
 
 
 [web]: http://larsjung.de/h5ai/