link to the hello_world.yaml is not working in doc

[Masco]

in documents, link to the example helo_world.yaml is not working in the below link
http://docs.openstack.org/developer/heat/templates/hot/hello_world.html

there is one undercode _ is the before the link.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/145175

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/145175
Committed: https://git.openstack.org/cgit/openstack/heat/commit/?id=6d4a07f2f7e7b8aab8f800e0998510ff7feeee67
Submitter: Jenkins
Branch: master

commit 6d4a07f2f7e7b8aab8f800e0998510ff7feeee67
Author: Masco Kaliyamoorthy <email address hidden>
Date: Tue Jan 6 14:49:38 2015 +0530

    external link not working in heat doc

    In HOT templates document, there is a link
    to the example heat template in the github.
    The link is not working because there is a _ present
    in before the link.

    It is removed now.

    Change-Id: I65a95b74ec9e902a7eaee0c94b4f320cd20e3ae5
    Closes-Bug: #1407892