Update building.mdx

Author: towneh

content/docs/avatar/building.mdx

@@ -10,7 +10,7 @@ import { Callout } from 'fumadocs-ui/components/callout';
 
 ## Build the AssetBundle
 
-- At the bottom of the Basis Avatar component on your Avatar, check that the appropriate build targets for your content are enabled (Windows, Linux, Android etc)
+- At the bottom of the Basis Avatar component on your Avatar, check that the appropriate build targets for your content are enabled (Windows, Mac, Linux etc) (NOTE: If building for Basis Framework public testing please use all possible build targets)
 - Press the 'Create Avatar Bee File' button and wait for this process to complete.
 
 ![Create Avatar Bee File](/img/avatars/7.png)