fixup comment

Author: sjpb

environments/.caas/inventory/group_vars/all/hpctests.yml

@@ -1,6 +1,6 @@
 # Skip plotting pingpong as matplotlib not in runner environment
 hpctests_pingpong_plot: false
 
-# In CaaS, the Ansible controller is an ephemeral AWX pod, so all that matters is that
+# In Azimuth, the Ansible controller is an ephemeral pod, so all that matters is that
 # this is a location that is writable by the container user
 hpctests_outdir: "{{ playbook_dir }}/.tmp/hpctests"