diff --git a/app/cli.py b/app/cli.py
index cd35166d..d9124105 100644
--- a/app/cli.py
+++ b/app/cli.py
@@ -117,6 +117,8 @@ def register(app):
                 print("Added 'Peertube Isolation' blocklist, see https://peertube_isolation.frama.io/")
 
             # Initial roles
+            # These roles will create rows in the 'role' table with IDs of 1,2,3,4. There are some constants (ROLE_*) in
+            # constants.py that will need to be updated if the role IDs ever change.
             anon_role = Role(name='Anonymous user', weight=0)
             anon_role.permissions.append(RolePermission(permission='register'))
             db.session.add(anon_role)