[3.0] 8a47021 Correct function name

[Tollef Fog Heen]

commit 8a47021105c231dd6d37ce643da2bd5feef6c816
Author: Andreas Plesner Jacobsen <apj at mutt.dk>
Date:   Mon Mar 12 12:23:47 2012 +0100

    Correct function name

diff --git a/doc/sphinx/reference/vmod_std.rst b/doc/sphinx/reference/vmod_std.rst
index 9c28a3c..a1ece16 100644
--- a/doc/sphinx/reference/vmod_std.rst
+++ b/doc/sphinx/reference/vmod_std.rst
@@ -50,7 +50,7 @@ Description
 Example
 	set beresp.http.x-nice = std.tolower("VerY");
 
-set_up_tos
+set_ip_tos
 ----------
 Prototype
 	set_ip_tos(INT i)