fix: update title bar note

Author: xakpc

components/TitleBar/samples/TitleBar.md

@@ -14,7 +14,9 @@ icon: assets/icon.png
 ---
 
 > [!NOTE]
-> WindowsAppSDK 1.6-experimental introduced a TitleBar control based on the work here in the Toolkit. If you're using WindowsAppSDK and plan to use 1.6 when it becomes available, find more information about the new control here: https://learn.microsoft.com/windows/apps/windows-app-sdk/experimental-channel#new-titlebar-control
+> WindowsAppSDK 1.6-experimental introduced a TitleBar control based on the work here in the Toolkit. The new TitleBar control released in 1.6-experimental1 is not yet available in non-experimental builds of 1.6 to allow more time to evaluate and respond to community feedback.
+> 
+> If you're using WindowsAppSDK and plan to use 1.7 when it becomes available, follow the release updates here: https://learn.microsoft.com/windows/apps/windows-app-sdk/experimental-channel#new-titlebar-control
 
 The `TitleBar` provides an easy way to display a modern titlebar experience. The control handles all the required APIs to extend content into the titlebar area and set custom drag regions. The control is set up in a way that it handles the correct design guidelines while being flexible in what content to show.