diff --git a/documentation/usersguide/objectdefinitions.md b/documentation/usersguide/objectdefinitions.md
index 51f4b28..cc54352 100644
--- a/documentation/usersguide/objectdefinitions.md
+++ b/documentation/usersguide/objectdefinitions.md
@@ -291,6 +291,8 @@ This directive is used to define the number of "time units" between regularly sc
Unless you've changed the interval_length directive from the default value of 60, this number will mean minutes.
More information on can be found in the host checks documentation.
+
+normal_check_interval is an alias for this directive.
@@ -305,12 +307,16 @@ Once the host has been retried max_check_attempts times without a change
If set to 0, the check_interval is used instead.
More information on can be found in the host checks documentation.
+
+retry_check_interval is an alias for this directive.
| active_checks_enabled *: |
This directive is used to determine whether or not active checks (either regularly scheduled or on-demand) of this host are enabled. Values: 0 = disable active host checks, 1 = enable active host checks (default).
+
+checks_enabled is an alias for this directive.
|
@@ -924,6 +930,8 @@ This directive is used to define the number of "time units" to wait before sched
Unless you've changed the interval_length directive from the default value of 60, this number will mean minutes.
More information can be found in the service checks documentation.
+
+normal_check_interval is an alias for this directive.
@@ -938,12 +946,16 @@ Once the service has been retried max_check_attempts times without a chan
If set to 0, the check_interval is used instead.
More information can be found in the service checks documentation.
+
+retry_check_interval is an alias for this directive.
| active_checks_enabled *: |
This directive is used to determine whether or not active checks of this service are enabled. Values: 0 = disable active service checks, 1 = enable active service checks (default).
+
+checks_enabled is an alias for this directive.
|