Update Set-SPOApplication.md

Author: ShreyasSar26

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

@@ -25,7 +25,7 @@ Set-SPOApplication
 [[-OwningApplicationId] <Guid>] 
 [[–SharingCapability] <SharingCapability>] 
 [[-OverrideTenantSharingCapability] <Boolean>]
-[]-CopilotEmbeddedChatHosts] <String>]
+[[-CopilotEmbeddedChatHosts] <String>]
 ```
 
 ## DESCRIPTION