diff --git a/lib/ansible/modules/system/cron.py b/lib/ansible/modules/system/cron.py
index b8a7fb8fba3..949094d0f70 100644
--- a/lib/ansible/modules/system/cron.py
+++ b/lib/ansible/modules/system/cron.py
@@ -52,7 +52,8 @@ options:
   name:
     description:
       - Description of a crontab entry or, if env is set, the name of environment variable.
-        Required if state=absent
+        Required if state=absent. Note that if name is not set and state=present, then a
+        new crontab entry will always be created, regardless of existing ones.
     default: null
     required: false
   user: