Merge pull request phpbb#5238 from avijc/ticket/15680

[ticket/15680] Point to 3.2 documentation

* github.com:/phpbb/phpbb:
  [ticket/15680] Point to 3.2 documentation

phpBB/docs/INSTALL.html

@@ -44,7 +44,7 @@ <h1>phpBB 3.2.x Install</h1>
 	<p>
 		A basic overview of running phpBB can be found in the accompanying <a href="README.html">README</a> file.
 		Please ensure you read that document in addition to this! For more detailed information on using, installing,
-		updating and converting phpBB you should read <a href="https://www.phpbb.com/support/docs/en/3.1/ug/">the documentation</a>
+		updating and converting phpBB you should read <a href="https://www.phpbb.com/support/docs/en/3.2/ug/">the documentation</a>
 		available online.
 	</p>
 </div>