Restore Preview 2 text in titles and headings

Co-authored-by: adegeo <67293991+adegeo@users.noreply.github.com>

Author: Copilot

dotnet-desktop-guide/wpf/whats-new/index.md

@@ -15,7 +15,7 @@ Each .NET release introduces a new version of Windows Presentation Foundation (W
 
 This section describes the main changes to WPF for .NET 11 Preview 2.
 
-- [Overview of WPF on .NET 11](net110.md)
+- [Overview of WPF on .NET 11 Preview 2](net110.md)
 - [Bug fixes](net110.md#bug-fixes)
 
 ## .NET 10

dotnet-desktop-guide/wpf/whats-new/net110.md

@@ -1,16 +1,16 @@
 ---
-title: What's new in WPF for .NET 11
-description: Learn about what's new in Windows Presentation Foundation (WPF) for .NET 11. New versions of WPF are released yearly with .NET.
+title: What's new in WPF for .NET 11 Preview 2
+description: Learn about what's new in Windows Presentation Foundation (WPF) for .NET 11 Preview 2. New versions of WPF are released yearly with .NET.
 ms.topic: whats-new
 ms.date: 03/03/2026
 ms.service: dotnet-desktop
 ms.update-cycle: 365-days
 #customer intent: As a developer, I want to know what's changed so that I can remain up-to-date.
 ---
 
-# What's new in WPF for .NET 11
+# What's new in WPF for .NET 11 Preview 2
 
-This article provides a high-level overview about what's new with Windows Presentation Foundation (WPF) in .NET 11. For detailed information, see the [release announcements](#release-announcements). Use the release announcements to get an overview of the entire .NET 11 release. The rest of the sections highlight some of the most important changes to WPF.
+This article provides a high-level overview about what's new with Windows Presentation Foundation (WPF) in .NET 11 Preview 2. For detailed information, see the [release announcements](#release-announcements). Use the release announcements to get an overview of the entire .NET 11 release. The rest of the sections highlight some of the most important changes to WPF.
 
 ## Release announcements