Fix link in the documentation
Fix link in the documentation

Change-Id: I64c2582e10ed7e95d83119df104bc4b527783b43

satish-avninetworks/murano,satish-avninetworks/murano,DavidPurcell/murano_temp,NeCTAR-RC/murano,NeCTAR-RC/murano,NeCTAR-RC/murano,DavidPurcell/murano_temp,DavidPurcell/murano_temp,olivierlemasle/murano,openstack/murano,openstack/murano,olivierlemasle/murano,NeCTAR-RC/murano,DavidPurcell/murano_temp,olivierlemasle/murano,satish-avninetworks/murano,olivierlemasle/murano,satish-avninetworks/murano