diff --git a/dotnet-desktop-guide/framework/wpf/introduction-to-wpf.md b/dotnet-desktop-guide/framework/wpf/introduction-to-wpf.md
index 11d055a..8813c80 100644
--- a/dotnet-desktop-guide/framework/wpf/introduction-to-wpf.md
+++ b/dotnet-desktop-guide/framework/wpf/introduction-to-wpf.md
@@ -513,22 +513,29 @@ Styles enable developers and designers to standardize on a particular appearance
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
x:Class="SDKSample.StyleWindow"
Title="Styles">
-
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-
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```