Added DESCRIPTION section

Just copied SYNOPSIS for now

sharepoint/sharepoint-ps/sharepoint-online/Add-SPOSiteDesign.md

@@ -25,6 +25,10 @@ Add-SPOSiteDesign
   [<CommonParameters>]
 ```
 
+## DESCRIPTION
+
+Creates a new site design available to users when they create a new site from the SharePoint home page.
+
 ## EXAMPLES
 
 ### Example 1

sharepoint/sharepoint-ps/sharepoint-online/Add-SPOSiteScript.md

@@ -21,6 +21,10 @@ Add-SPOSiteScript
   [<CommonParameters>]
 ```
 
+## DESCRIPTION
+
+Uploads a new site script for use either directly or in a site design.
+
 ## EXAMPLES
 
 ### Example 1

sharepoint/sharepoint-ps/sharepoint-online/Get-SPOSiteDesign.md

@@ -19,6 +19,10 @@ Get-SPOSiteDesign
   [<CommonParameters>]
 ```
 
+## DESCRIPTION
+
+Gets details about site designs that are on the SharePoint tenant. You can specify an ID of a specific site design to retrieve. If there are no parameters listed, details about all site designs are listed.
+
 ## EXAMPLES
 
 ### Example 1 

sharepoint/sharepoint-ps/sharepoint-online/Get-SPOSiteDesignRights.md

@@ -19,6 +19,10 @@ Get-SPOSiteDesignRights
   [<CommonParameters>]
 ```
 
+## DESCRIPTION
+
+Displays a list of principals and their rights for usage of the site design. This can be used to determine the scope that your site design has with users on the tenant.
+
 ## EXAMPLES
 
 ### Example 1 

sharepoint/sharepoint-ps/sharepoint-online/Get-SPOSiteScript.md

@@ -19,6 +19,10 @@ Get-SPOSiteScript
   [<CommonParameters>]
 ```
 
+## DESCRIPTION
+
+Displays information about existing site scripts. When no parameter is provided, this cmdlet returns the **Id**, **Title**, **Description**, and **Version** of each site script. When a site script ID is provided, this cmdlet also returns the **Content**, which is the JSON of the site script.
+
 ## EXAMPLES
 
 ### Example 1

sharepoint/sharepoint-ps/sharepoint-online/Grant-SPOSiteDesignRights.md

@@ -21,6 +21,10 @@ Grant-SPOSiteDesignRights
   [<CommonParameters>]
 ```
 
+## DESCRIPTION
+
+Used to apply permissions to a set of users or a security group, effectively scoping the visibility of the site design in the UX. They start off public, but after you set permissions, only those groups or users with permissions can access the site design.
+
 ## EXAMPLES
 
 ### Example 1

sharepoint/sharepoint-ps/sharepoint-online/Invoke-SPOSiteDesign.md

@@ -20,6 +20,10 @@ Invoke-SPOSiteDesign
   [<CommonParameters>]
 ```
 
+## DESCRIPTION
+
+Applies a published site design to a specified site collection target. This allows a site design to be applied to an existing site collection.
+
 ## EXAMPLES
 
 ### Example 1

sharepoint/sharepoint-ps/sharepoint-online/Remove-SPOSiteDesign.md

@@ -19,6 +19,10 @@ Removes a site design. It no longer appears in the UI for creating a new site.
   [<CommonParameters>]
 ```
 
+## DESCRIPTION
+
+Removes a site design. It no longer appears in the UI for creating a new site.
+
 ## EXAMPLES
 
 ### Example 1

sharepoint/sharepoint-ps/sharepoint-online/Remove-SPOSiteScript.md

@@ -19,6 +19,10 @@ Remove-SPOSiteScript
   [<CommonParameters>]
 ```
 
+## DESCRIPTION
+
+Removes a site script. <!-- TBD how is dependency problem handled so you don't delete a script that a design depends on. this currently creates an error when running the design.) -->
+
 ## PARAMETERS
 
 ### -Identity

sharepoint/sharepoint-ps/sharepoint-online/Revoke-SPOSiteDesignRights.md

@@ -20,6 +20,10 @@ Revoke-SPOSiteDesignRights
   [<CommonParameters>]
 ```
 
+## DESCRIPTION
+
+Revokes rights for specified principals from a site design.
+
 ## EXAMPLES
 
 ### Example 1 

sharepoint/sharepoint-ps/sharepoint-online/Set-SPOSiteDesign.md

@@ -40,6 +40,10 @@ C:\> Set-SPOSiteDesign `
   -PreviewImageAltText "site preview - version 2"
 ```
 
+## DESCRIPTION
+
+Updates a previously uploaded site design. 
+
 ## PARAMETERS
 
 ### -Title