idioms of programming in Go.
</p>
-<h3 id="go_tour"><a href="http://go-tour.appspot.com/">A Tour of Go</a></h3>
+<h3 id="go_tour"><a href="http://tour.golang.org/">A Tour of Go</a></h3>
<p>
An interactive introduction to Go in three sections.
The first section covers basic syntax and data structures; the second discusses
methods and interfaces; and the third introduces Go's concurrency primitives.
Each section concludes with a few exercises so you can practice what you've
-learned. You can <a href="http://go-tour.appspot.com/">take the tour online</a> or
+learned. You can <a href="http://tour.golang.org/">take the tour online</a> or
<a href="http://code.google.com/p/go-tour/">install it locally</a>.
</p>