Update FAQ.md (#979)

* Update FAQ.md

* Update docs/faq.md

Co-authored-by: Nikolay Edigaryev <edigaryev@gmail.com>

---------

Co-authored-by: Nikolay Edigaryev <edigaryev@gmail.com>

Author: Fred78290

docs/faq.md

@@ -13,7 +13,7 @@ Remote images are pulled into `~/.tart/cache/OCIs/`.
 ## Nested virtualization support?
 
 Tart is limited by functionality of Apple's `Virtualization.Framework`. At the moment `Virtualization.Framework`
-doesn't support nested virtualization.
+supports nested virtualization only on M3 or M4 chips running macOS 15 (Sequoia). By default, it is disabled, but can be enabled by passing the `--nested` flag to `tart run`.
 
 ## Connecting to a service running on host