diff --git a/_opensearch/rest-api/cat/cat-segments.md b/_opensearch/rest-api/cat/cat-segments.md
index a5fce2e565..350de6c134 100644
--- a/_opensearch/rest-api/cat/cat-segments.md
+++ b/_opensearch/rest-api/cat/cat-segments.md
@@ -46,6 +46,7 @@ In addition to the [common URL parameters]({{site.url}}{{site.baseurl}}/opensear
 Parameter | Type | Description
 :--- | :--- | :---
 bytes | Byte size | Specify the units for byte size. For example, `7kb` or `6gb`. For more information, see [Supported units]({{site.url}}{{site.baseurl}}/opensearch/units/)..
+cluster_manager_timeout | Time | The amount of time to wait for a connection to the cluster manager node. Default is 30 seconds.
 
 
 ## Response