improve notes for fetch

Signed-off-by: Mark Bolwell <mark.bollyuk@gmail.com>

defaults/main.yml

@@ -107,6 +107,7 @@ audit_conf_dest: "/opt"
 audit_log_dir: '/opt'
 
 # Method of getting,uploading the summary files
+## Enable the collection of audit files
 fetch_audit_output: false
 ## Ensure access and permissions are available for these to occur.
 ## options are