fix error url

TrivialFix

Change-Id: I46b1ad551311dad245ced8cc3059d77007679c3d
diff --git a/HACKING.rst b/HACKING.rst
index 8c6d928..cd3c49c 100644
--- a/HACKING.rst
+++ b/HACKING.rst
@@ -1,4 +1,4 @@
 openstack Style Commandments
 ===============================================
 
-Read the OpenStack Style Commandments http://docs.openstack.org/developer/hacking/
+Read the OpenStack Style Commandments https://docs.openstack.org/hacking/latest/