Correct the task label for when the variable isn't defined

tasks/main.yml

@@ -85,7 +85,7 @@
     - 'ensure_sudo.service_facts'
 - name: 'flush handlers'
   meta: 'flush_handlers'
-- name: 'find directories over {{ sudo_log_retention }} old under /var/log/sudo-io'
+- name: 'find directories over log retention window under /var/log/sudo-io'
   when:
     - ansible_system == 'Linux'
     - ensure_sudo is defined