[4.0] 02843b8 Fix URL

[Per Buer]

commit 02843b8a0d70e5fe73d522f0ac8cde3e7a5032af
Author: Per Buer <perbu at varnish-software.com>
Date:   Fri Mar 14 11:57:31 2014 +0100

    Fix URL

diff --git a/doc/sphinx/reference/vcl.rst b/doc/sphinx/reference/vcl.rst
index a4b6f7b..6f91b91 100644
--- a/doc/sphinx/reference/vcl.rst
+++ b/doc/sphinx/reference/vcl.rst
@@ -21,7 +21,7 @@ is then dynamically linked into the server process.
 
 This document focuses on the syntax of the VCL language. For a full
 description of syntax and semantics, with ample examples, please see
-the users guide at https://www.varnish-cache.org/doc/
+the users guide at https://www.varnish-cache.org/docs/
 
 VCL consists of the following elements:
  * Operators