diff --git a/src/ContainerInstance/custom/New-AzContainerGroup.ps1 b/src/ContainerInstance/custom/New-AzContainerGroup.ps1
index f55d116302a8..727387934995 100644
--- a/src/ContainerInstance/custom/New-AzContainerGroup.ps1
+++ b/src/ContainerInstance/custom/New-AzContainerGroup.ps1
@@ -18,7 +18,7 @@
 .Synopsis
 Create or update container groups with specified configurations.
 .Description
-Create or update container groups with specified configurations.
+Create or update container groups with specified configurations. For property Volume, we support mounting Azure File share as a volume or specifying git repository as volume directory. The empty directory volume and secret volume are not supported yet.
 .Link
 https://docs.microsoft.com/powershell/module/az.containerinstance/new-azcontainergroup
 #>
diff --git a/src/ContainerInstance/custom/New-AzContainerGroupVolumeObject.ps1 b/src/ContainerInstance/custom/New-AzContainerGroupVolumeObject.ps1
index 58c122e47d2b..e9c8d8c7140d 100644
--- a/src/ContainerInstance/custom/New-AzContainerGroupVolumeObject.ps1
+++ b/src/ContainerInstance/custom/New-AzContainerGroupVolumeObject.ps1
@@ -17,7 +17,7 @@
 .Synopsis
 Create a in-memory object for Volume
 .Description
-Create a in-memory object for Volume
+Create a in-memory object for Volume. Currently, we support mounting Azure File share as a volume or specifying git repository as volume directory. The empty directory volume and secret volume are not supported yet.
 .Link
 https://docs.microsoft.com/powershell/module/az.ContainerInstance/new-AzContainerGroupVolumeObject
 #>
diff --git a/src/ContainerInstance/help/New-AzContainerGroup.md b/src/ContainerInstance/help/New-AzContainerGroup.md
index 82df2a95ef27..432fafc5975f 100644
--- a/src/ContainerInstance/help/New-AzContainerGroup.md
+++ b/src/ContainerInstance/help/New-AzContainerGroup.md
@@ -29,7 +29,7 @@ New-AzContainerGroup -Name <String> -ResourceGroupName <String> -Container <ICon
 ```
 
 ## DESCRIPTION
-Create or update container groups with specified configurations.
+Create or update container groups with specified configurations. For property Volume, we support mounting Azure File share as a volume or specifying git repository as volume directory. The empty directory volume and secret volume are not supported yet.
 
 ## EXAMPLES
 
diff --git a/src/ContainerInstance/help/New-AzContainerGroupVolumeObject.md b/src/ContainerInstance/help/New-AzContainerGroupVolumeObject.md
index fc7c6489a015..f65d7a65e745 100644
--- a/src/ContainerInstance/help/New-AzContainerGroupVolumeObject.md
+++ b/src/ContainerInstance/help/New-AzContainerGroupVolumeObject.md
@@ -20,7 +20,7 @@ New-AzContainerGroupVolumeObject -Name <String> [-AzureFileReadOnly] [-AzureFile
 ```
 
 ## DESCRIPTION
-Create a in-memory object for Volume
+Create a in-memory object for Volume. Currently, we support mounting Azure File share as a volume or specifying git repository as volume directory. The empty directory volume and secret volume are not supported yet.
 
 ## EXAMPLES