Change API-WG guideline link to specs.o.o
This commit changes API-WG guideline link to spec.openstack.org instead
of github.com. We should use openstack.org links as possible.
Change-Id: Id0265bd6136a0c6f4adedf5c3aef34d34bbc933e
diff --git a/HACKING.rst b/HACKING.rst
index 910a977..f97f97a 100644
--- a/HACKING.rst
+++ b/HACKING.rst
@@ -170,7 +170,7 @@
All negative tests should be based on `API-WG guideline`_ . Such negative
tests can block any changes from accurate failure code to invalid one.
-.. _API-WG guideline: https://github.com/openstack/api-wg/blob/master/guidelines/http.rst#failure-code-clarifications
+.. _API-WG guideline: http://specs.openstack.org/openstack/api-wg/guidelines/http.html#failure-code-clarifications
If facing some gray area which is not clarified on the above guideline, propose
a new guideline to the API-WG. With a proposal to the API-WG we will be able to