be clear, host module is not related to ansible inventory

CHANGELOG.md

@@ -16,7 +16,7 @@ New modules:
 * cloud:ec2_eip -- manage AWS elastic IP's
 * cloud:rax_clb_nodes -- manage Rackspace cloud load balancers
 * system: firewalld -- manage the firewalld configuration
-* system: host -- manage host file entries and aliases
+* system: host -- manage `/etc/hosts` file entries
 * system: modprobe -- manage kernel modules on systems that support modprobe/rmmod
 * system: open_iscsi -- manage targets on an initiator using open-iscsi