diff --git a/lib/ansible/modules/inventory/add_host.py b/lib/ansible/modules/inventory/add_host.py
index c7e066b74ee..b28c6f90182 100644
--- a/lib/ansible/modules/inventory/add_host.py
+++ b/lib/ansible/modules/inventory/add_host.py
@@ -21,7 +21,7 @@ options:
     required: false
 notes:
     - This module bypasses the play host loop and only runs once for all the hosts in the play, if you need it
-      to iterate use a with_ directive.
+      to iterate use a with\_ directive.
 author: Seth Vidal
 '''