Studio-related updates

Author: MariaShaposhnikova

content/en/docs/refguide/modeling/pages/page-resources/snippet.md

@@ -37,7 +37,7 @@ Snippet properties consist of the following sections:
 
 #### 2.2.1 Parameters{#parameters}
 
-**Snippet Parameters** works the same way as [Page Parameter](/studio/page-parameter/) with the difference that a snippet's parameter can be accessed at the top level, for example when creating expressions or selecting attributes.
+**Snippet Parameters** works the same way as [Page Parameter](/refguide/page-properties/#parameters) with the difference that a snippet's parameter can be accessed at the top level, for example when creating expressions or selecting attributes.
 
 ### 2.3 Designer Section{#designer}
 

content/en/docs/studio/general/_index.md

@@ -31,6 +31,10 @@ You can edit an app in Mendix Studio by opening it in the [Developer Portal](htt
 
 ### 2.2 Opening Studio via Studio Pro {#opening-via-studio-pro}
 
+{{% alert color="info" %}}
+This option is only available for apps with Mendix version 9.20 or below.
+{{% /alert %}}
+
 You can also open your app in Studio via Studio Pro. Do the following:
 
 1. In Studio Pro, open the app in that you want to view in Studio.