In 'Writing to the API' section of nova doc index page(*),
there is the 'Compute API Guide::' item.
It should be 'Compute API Guide:'.
* https://docs.openstack.org/nova/latest/#writing-to-the-api
TrivialFix
Change-Id: I59455c9783baccbf6ca7c6cf9da7f040f235de14