diff --git a/setup.yml b/setup.yml
index e3372802b..8c71ac4b2 100755
--- a/setup.yml
+++ b/setup.yml
@@ -7,10 +7,9 @@
     - roles/custom/matrix-synapse/vars/workers.yml
 
   roles:
-    # This role has no tasks at all
+    # Most of the roles below are not distributed with the playbook, but downloaded separately using `ansible-galaxy` via the `make roles` command (see `Makefile`).
     - role: galaxy/com.devture.ansible.role.playbook_help
 
-    # This role has no tasks at all
     - role: galaxy/com.devture.ansible.role.systemd_docker_base
 
     - role: custom/matrix_playbook_migration