diff --git a/api-reference/beta/resources/synchronization-synchronizationschedule.md b/api-reference/beta/resources/synchronization-synchronizationschedule.md
index f262a1e0cfd..46359a315cb 100644
--- a/api-reference/beta/resources/synchronization-synchronizationschedule.md
+++ b/api-reference/beta/resources/synchronization-synchronizationschedule.md
@@ -19,7 +19,7 @@ Defines the schedule used to run a [synchronizationJob](synchronization-synchron
 | Property       | Type    |Description|
 |:---------------|:--------|:----------|
 |expiration|DateTimeOffset|Date and time when this job will expire. The Timestamp type represents date and time information using ISO 8601 format and is always in UTC time. For example, midnight UTC on Jan 1, 2014 is `2014-01-01T00:00:00Z`.|
-|interval|Duration|The interval between synchronization iterations. The value is represented in ISO 8601 format for durations. For example, `PT1M` represents a period of 1 month.|
+|interval|Duration|The interval between synchronization iterations. The value is represented in [ISO 8601](https://en.wikipedia.org/wiki/ISO_8601)  format for durations. For example, `P1M` represents a period of one month and `PT1M` represents a period of one minute.|
 |state|synchronizationScheduleState|The possible values are: `Active`, `Disabled`, `Paused`.|
 
 
diff --git a/api-reference/v1.0/resources/synchronization-synchronizationschedule.md b/api-reference/v1.0/resources/synchronization-synchronizationschedule.md
index 4371ccd307f..36884729b2f 100644
--- a/api-reference/v1.0/resources/synchronization-synchronizationschedule.md
+++ b/api-reference/v1.0/resources/synchronization-synchronizationschedule.md
@@ -17,7 +17,7 @@ Defines the schedule used to run a [synchronizationJob](synchronization-synchron
 | Property       | Type    |Description|
 |:---------------|:--------|:----------|
 |expiration|DateTimeOffset|Date and time when this job expires. The Timestamp type represents date and time information using ISO 8601 format and is always in UTC time. For example, midnight UTC on Jan 1, 2014 is `2014-01-01T00:00:00Z`.|
-|interval|Duration|The interval between synchronization iterations. The value is represented in ISO 8601 format for durations. For example, `PT1M` represents a period of one month.|
+|interval|Duration|The interval between synchronization iterations. The value is represented in [ISO 8601](https://en.wikipedia.org/wiki/ISO_8601)  format for durations. For example, `P1M` represents a period of one month and `PT1M` represents a period of one minute.|
 |state|synchronizationScheduleState|The possible values are: `Active`, `Disabled`, `Paused`.|