diff --git a/playbooks/platforms_ub2004.yml b/playbooks/platforms_ubuntu-20-04.yml
similarity index 88%
rename from playbooks/platforms_ub2004.yml
rename to playbooks/platforms_ubuntu-20-04.yml
index 756f8b9..dd4e89a 100755
--- a/playbooks/platforms_ub2004.yml
+++ b/playbooks/platforms_ubuntu-20-04.yml
@@ -1,7 +1,7 @@
 #!/usr/bin/env ansible-playbook
 # vim:ft=ansible:
 ---
-- hosts: platforms_ub2004
+- hosts: platforms_ubuntu-20-04
   gather_facts: no
   roles:
     - role: motd
diff --git a/playbooks/platforms_ub2110.yml b/playbooks/platforms_ubuntu-21-10.yml
similarity index 88%
rename from playbooks/platforms_ub2110.yml
rename to playbooks/platforms_ubuntu-21-10.yml
index b5f5ad8..c5debde 100755
--- a/playbooks/platforms_ub2110.yml
+++ b/playbooks/platforms_ubuntu-21-10.yml
@@ -1,7 +1,7 @@
 #!/usr/bin/env ansible-playbook
 # vim:ft=ansible:
 ---
-- hosts: platforms_ub2110
+- hosts: platforms_ubuntu-21-10
   gather_facts: no
   roles:
     - role: motd