diff --git a/doc/4.3-object-types.md b/doc/4.3-object-types.md
index fa0563bcc..747690580 100644
--- a/doc/4.3-object-types.md
+++ b/doc/4.3-object-types.md
@@ -252,7 +252,7 @@ Example:
       email = "icinga@localhost"
       pager = "icingaadmin@localhost.localdomain"
 
-      notification_period = "24x7"
+      period = "24x7"
 
       states = [ OK, Warning, Critical, Unknown ]
       types = [ Problem, Recovery ]
@@ -291,7 +291,7 @@ Attributes:
   vars            |**Optional.** A dictionary containing custom attributes that are specific to this user.
   groups          |**Optional.** An array of group names.
   enable_notifications|**Optional.** Whether notifications are enabled for this user.
-  period          |**Optional.** The name of a time period which determines when this notification should be triggered. Not set by default.
+  period          |**Optional.** The name of a time period which determines when a notification for this user should be triggered. Not set by default.
   types           |**Optional.** A set of type filters when this notification should be triggered. By default everything is matched.
   states          |**Optional.** A set of state filters when this notification should be triggered. By default everything is matched.