diff --git a/docs/html/Thun.html b/docs/html/Thun.html
index e5a9260..2b05f15 100644
--- a/docs/html/Thun.html
+++ b/docs/html/Thun.html
@@ -10,7 +10,7 @@
 <body>
 <div id="joy_interpreter"></div>
 <h1>Thun Specification</h1>
-<p>Version 0.5.0</p>
+<p><a href="https://ariadne.systems/pub/~sforman/Thun/">Thun Version 0.5.0</a></p>
 <h2>Grammar</h2>
 <p>The grammar of Thun is very simple.  A Thun expression is zero or more
 Thun terms separated by blanks. Terms can be integers in decimal
