diff --git a/dotnet-desktop-guide/net/wpf/whats-new/index.md b/dotnet-desktop-guide/net/wpf/whats-new/index.md
index 41243e4c88..96fd5b83e6 100644
--- a/dotnet-desktop-guide/net/wpf/whats-new/index.md
+++ b/dotnet-desktop-guide/net/wpf/whats-new/index.md
@@ -11,12 +11,13 @@ Each .NET release introduces a new version of Windows Presentation Foundation (W
## .NET 9
-Enhanced support for building modern apps with WPF with several theming enhancements:
+More support for building modern apps with WPF with several theming enhancements:
- [Overview of WPF on .NET 9](net90.md)
-- [ThemeMode API](net90.md#thememode-api)
-- [AccentColors as SystemColors](net90.md#accentcolors-as-systemcolors)
-- [Hyphen based ligature support](net90.md#hyphen-based-ligature-support)
+- [Fluent theme](net90.md#fluent-theme)
+- [ThemeMode](net90.md#thememode)
+- [Support for Windows accent color](net90.md#support-for-windows-accent-color)
+- [Hyphen-based ligature support](net90.md#hyphen-based-ligature-support)
## .NET 8
diff --git a/dotnet-desktop-guide/net/wpf/whats-new/net90.md b/dotnet-desktop-guide/net/wpf/whats-new/net90.md
index 93b8969bbb..0db7fe4667 100644
--- a/dotnet-desktop-guide/net/wpf/whats-new/net90.md
+++ b/dotnet-desktop-guide/net/wpf/whats-new/net90.md
@@ -28,7 +28,7 @@ A new theme is included with WPF that delivers a fresh, modern Windows 11 aesthe
### Apply the theme
-You can apply the Fluent theme in two ways. First, you can apply the theme by setting the `ThemeMode` property. For more information, see the [ThemeMode](#thememode) section. Secondly, you can apply the theme by loading the resource dictionary that contains the theme.
+You can apply the Fluent theme in two ways, setting the `ThemeMode` property or referencing the Fluent theme resource dictionary. For more information about the theme mode setting, see [ThemeMode](#thememode).
The Fluent theme resource dictionary is available at the following pack URI: `/PresentationFramework.Fluent;component/Themes/Fluent.xaml`. To apply the resource at the application-level, load the resource into your app's resources:
@@ -42,15 +42,17 @@ The Fluent theme resource dictionary is available at the following pack URI: `/P
```
+The resource dictionary can also be applied to a `Window` to theme just the window itself.
+
## ThemeMode
-A new styling API has been added to WPF, which is controlled through the `ThemeMode` property. By using this property, you can load the Fluent style without having to apply a styling resource dictionary directly.
+A new styling API has been added to WPF, which is exposed through the `ThemeMode` property. By using this property, you can apply the Fluent style without having to reference a styling resource dictionary directly.
-Valid values are:
+Available values are:
- `Light`—Applies the light Fluent theme.
- `Dark`—Applies the dark Fluent theme.
-- `System`—Applies either the light or dark Fluent theme, based on the current system choice.
+- `System`—Applies either the light or dark Fluent theme, based on the user's current Windows setting.
- `None`—(default) Uses the Aero2 theme.
To apply a theme mode for the whole application, set the `ThemeMode` property on the `Application` type. To apply it to a single window, set `ThemeMode` on the `Window` type.
@@ -69,7 +71,7 @@ If the `ThemeMode` is set to any value other than `None` at the application-leve
### Set in code
-Support for changing setting the `ThemeMode` in code is currently an experimental feature. Accessing the `ThemeMode` property by code generates error **WPF0001**, preventing access to the API. Suppress the error to access to the API.
+Support for changing setting the `ThemeMode` in code is currently an experimental feature. Accessing the `ThemeMode` property in code generates error **WPF0001**, preventing access to the API. Suppress the error to access to the API.
> [!WARNING]
> This API is experimental and subject to change.
@@ -123,14 +125,14 @@ When creating a UI that uses the accent color, wrap the resource key in a dynami
:::code language="xaml" source=".\snippets\net90\csharp\MainWindow.xaml" id="DynamicAccent":::
-## Hyphen based ligature support
+## Hyphen-based ligature support
WPF has never supported hyphen-based ligatures in UI controls such as the `TextBlock`. This long-standing community ask was added in .NET 9.
Here's an image of the ligatures not being applied to the glyphs in .NET 8:
-:::image type="content" source="./media/net90/ligature-8.png" alt-text="A screenshot of a simple WPF app that has a text block showing how glyphs aren't combined into ligatures.":::
+:::image type="content" source="./media/net90/ligature-8.png" alt-text="A screenshot of a simple WPF app that has a text block showing how glyphs aren't combined into ligatures with .NET 8.":::
And now, that same text as rendered in .NET 9:
-:::image type="content" source="./media/net90/ligature-9.png" alt-text="A screenshot of a simple WPF app that has a text block showing how glyphs aren't combined into ligatures.":::
+:::image type="content" source="./media/net90/ligature-9.png" alt-text="A screenshot of a simple WPF app that has a text block showing how glyphs are combined into ligatures with .NET 9.":::
diff --git a/dotnet-desktop-guide/net/wpf/whats-new/snippets/net90/csharp/MainWindow.xaml b/dotnet-desktop-guide/net/wpf/whats-new/snippets/net90/csharp/MainWindow.xaml
index b77ad04f24..e863438311 100644
--- a/dotnet-desktop-guide/net/wpf/whats-new/snippets/net90/csharp/MainWindow.xaml
+++ b/dotnet-desktop-guide/net/wpf/whats-new/snippets/net90/csharp/MainWindow.xaml
@@ -19,7 +19,8 @@
-
+