diff --git a/README b/README
index 4ae1c4e09..e6396c62c 100644
--- a/README
+++ b/README
@@ -2052,6 +2052,7 @@ Christopher Sawicki, Kelsey Hightower.
 [S5]: http://meyerweb.com/eric/tools/s5/
 [Slidy]: http://www.w3.org/Talks/Tools/Slidy/
 [HTML]:  http://www.w3.org/TR/html40/
+[HTML 5]:  http://www.w3.org/TR/html5/
 [XHTML]:  http://www.w3.org/TR/xhtml1/
 [LaTeX]: http://www.latex-project.org/
 [LaTeX beamer]: http://www.tex.ac.uk/CTAN/macros/latex/contrib/beamer