diff --git a/ultimate_cron.api.php b/ultimate_cron.api.php
index 459db5e..1aeaaca 100644
--- a/ultimate_cron.api.php
+++ b/ultimate_cron.api.php
@@ -11,7 +11,9 @@ use Drupal\ultimate_cron\Entity\CronJob;
  */
 
 /**
- * Inform Ultimate Cron about cron jobs.
+ * Inform Ultimate Cron about cron jobs. In order to create a new cron job from
+ * a custom module, provide a default configuration in the module with the
+ * needed settings. Example: ultimate_cron.job.custom_module_cron.yml
  *
  * Note that the result of this hook is cached.
  *