Cao Xuan Hoang 91068d097e [doc][vpnaas] Fix reference url after recent change
This patch intends to fix the reference URL after the recent change
in vpnaas [1]

[1] https://review.openstack.org/#/c/555167/

Change-Id: Icfec7fe3329c545d2f60c6e6cb7c28d4c05d6f36
2018-04-04 09:35:55 +07:00
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