clearer import steps

Author: pamistel

includes/spatial-anchors-unity-import-packages.md

@@ -12,7 +12,10 @@ ms.author: pamistel
 This step requires that the <a href="/windows/mixed-reality/develop/unity/welcome-to-mr-feature-tool" target="_blank">Mixed Reality Feature Tool</a> is downloaded and available.
 
 1. Follow the <a href="/windows/mixed-reality/develop/unity/welcome-to-mr-feature-tool" target="_blank">Mixed Reality Feature Tool</a> documentation to set up the tool and learn how to use it.
-2. Install the **Azure Spatial Anchors SDK core package**, as well as any **platform-specific package**, into the Unity project folder.
+2. Install 
+    1. _Azure Spatial Anchors SDK **Core**_
+    1. _Azure Spatial Anchors SDK **for \<your platform(s)>**_
+    1. **Mixed Reality OpenXR Plugin** if using OpenXR - located under _Platform Support_
 
 
 # [Web download](#tab/unity-package-web-ui)