Update shared-image-galleries.md

additional changes to supported features

Author: sandeepraichura

articles/virtual-machines/shared-image-galleries.md

@@ -65,7 +65,7 @@ Image definitions contain metadata for the image to allow grouping of images tha
 - Purchase plan information for Marketplace images - `-PurchasePlanPublisher`, `-PurchasePlanName`, and `-PurchasePlanProduct`. For more information about purchase plan information, see [Find images in the Azure Marketplace](./windows/cli-ps-findimage.md) and [Supply Azure Marketplace purchase plan information when creating images](marketplace-images.md).
 - Architecture
   - x64 or ARM64 [Architecture](/cli/azure/sig/image-definition?&branch=main#az-sig-image-definition-create)
-- Features are additional features and SecurityType(s) that are supported on the image, based on the type of gallery:
+- Features allow you to specify additional features and SecurityType(s) that are supported on the image, based on the type of gallery:
 
    | Features | Accepted Values | Definition | Supported in |
    |--|--|--|--|
@@ -76,16 +76,16 @@ Image definitions contain metadata for the image to allow grouping of images tha
 
 - SecurityType determines the security features that are enabled on the VM. Some types limited, based on the type of gallery that they are stored in:
 
-   | Accepted Values | Definition | Supported in |
-   |--|--|--|
-   | [ConfidentialVMSupported](../confidential-computing/create-confidential-vm-from-compute-gallery.md#confidential-vm-supported-images) | It's a generic Gen2 image that does not contain VMGS blob. Gen2 VM or Confidential VM can be created from this image type | Private, Direct shared, Community |
-   | [Confidential VM](../confidential-computing/create-confidential-vm-from-compute-gallery.md#confidential-vm-images) | Only Confidential VMs can be created from this image type | Private |
-   | TrustedLaunchSupported | It's a generic Gen2 image that does not contain the VMGS blob. Gen2 VM or TrustedLaunch VM can be created from this image type. | Private, direct shared, community |
-   | TrustedLaunch | Only TrustedLaunch VM can be   created from this image type | Private |
-   | TrustedLaunchAndConfidentialVmSupported | It's a generic Gen2 image that does not contain the VMGS blob. Gen2 VM, TrustedLaunch VM, or a ConfidentialVM can be created from this image type. | Private, direct shared, community |
+   | SecurityType | Accepted Values | Definition | Supported in |
+   |--|--|--|--|
+   | ConfidentialVMSupported | [ConfidentialVMSupported](../confidential-computing/create-confidential-vm-from-compute-gallery.md#confidential-vm-supported-images) | It's a generic Gen2 image that does not contain VMGS blob. Gen2 VM or Confidential VM can be created from this image type | Private, Direct shared, Community |
+   | ConfidentialVM | [Confidential VM](../confidential-computing/create-confidential-vm-from-compute-gallery.md#confidential-vm-images) | Only Confidential VMs can be created from this image type | Private |
+   | TrustedLaunchSupported | TrustedLaunchSupported | It's a generic Gen2 image that does not contain the VMGS blob. Gen2 VM or TrustedLaunch VM can be created from this image type. | Private, direct shared, community |
+   | TrustedLaunch | TrustedLaunch | Only TrustedLaunch VM can be   created from this image type | Private |
+   | TrustedLaunchAndConfidentialVmSupported | TrustedLaunchAndConfidentialVmSupported | It's a generic Gen2 image that does not contain the VMGS blob. Gen2 VM, TrustedLaunch VM, or a ConfidentialVM can be created from this image type. | Private, direct shared, community |
 
 
-For more information, see the CLI examples for adding [image definition features](/cli/azure/sig/image-definition?&branch=main#az-sig-image-definition-create).
+For more information, see the CLI examples for adding [image definition features and SecurityType](/cli/azure/sig/image-definition?&branch=main#az-sig-image-definition-create).
 
 ## Image versions