Description of problem:
Rpm package btrfs-progs-0.19-12.el6.x86_64 report that it's url main page is:
"http://btrfs.wiki.kernel.org/index.php/Main_Page" but going to this page you can receive http error code 404 (Page not found). 
The correct page at the time of writing is: "https://btrfs.wiki.kernel.org"

Version-Release number of selected component (if applicable):
btrfs-progs-0.19-12.el6.x86_64

How reproducible:


Steps to Reproduce:
1. yum install btrfs-progs
2. rpm -qa | grep btrfs-progs | xargs rpm -q --info
Name        : btrfs-progs                  Relocations: (not relocatable)
Version     : 0.19                              Vendor: Red Hat, Inc.
Release     : 12.el6                        Build Date: mar 11 gen 2011 20:06:13 CET
Install Date: gio 05 gen 2012 10:08:16 CET      Build Host: x86-004.build.bos.redhat.com
Group       : System Environment/Base       Source RPM: btrfs-progs-0.19-12.el6.src.rpm
Size        : 1540765                          License: GPLv2
Signature   : RSA/8, mer 13 apr 2011 08:23:03 CEST, Key ID 199e2f91fd431d51
Packager    : Red Hat, Inc. <http://bugzilla.redhat.com/bugzilla>
URL         : http://btrfs.wiki.kernel.org/index.php/Main_Page
Summary     : Userspace programs for btrfs
Description :
The btrfs-progs package provides all the userpsace programs needed to create,
check, modify and correct any inconsistencies in the btrfs filesystem.

  
Actual results:
rpm -qa | grep btrfs-progs | xargs rpm -q --info
...
URL         : http://btrfs.wiki.kernel.org/index.php/Main_Page
...

Expected results:
rpm -qa | grep btrfs-progs | xargs rpm -q --info
...
URL         : http://btrfs.wiki.kernel.org
...

Additional info: