diff --git a/dotnet-desktop-guide/framework/wpf/advanced/attached-properties-overview.md b/dotnet-desktop-guide/framework/wpf/advanced/attached-properties-overview.md
index 2c2be8b..f208afd 100644
--- a/dotnet-desktop-guide/framework/wpf/advanced/attached-properties-overview.md
+++ b/dotnet-desktop-guide/framework/wpf/advanced/attached-properties-overview.md
@@ -12,7 +12,7 @@ ms.assetid: 75928354-dc01-47e8-a018-8409aec1f32d
 ---
 # Attached Properties Overview
 
-An attached property is a concept defined by XAML. An attached property is intended to be used as a type of global property that is settable on any object. In [!INCLUDE[TLA#tla_winclient](../../../includes/tlasharptla-winclient-md.md)], attached properties are typically defined as a specialized form of dependency property that does not have the conventional property "wrapper".
+An attached property is a concept defined by XAML. An attached property is intended to be used as a type of global property that is settable on any dependency object. In [!INCLUDE[TLA#tla_winclient](../../../includes/tlasharptla-winclient-md.md)], attached properties are typically defined as a specialized form of dependency property that does not have the conventional property "wrapper".
 
 ## Prerequisites <a name="prerequisites"></a>
 
diff --git a/dotnet-desktop-guide/net/wpf/properties/attached-properties-overview.md b/dotnet-desktop-guide/net/wpf/properties/attached-properties-overview.md
index 12323bd..b8879a2 100644
--- a/dotnet-desktop-guide/net/wpf/properties/attached-properties-overview.md
+++ b/dotnet-desktop-guide/net/wpf/properties/attached-properties-overview.md
@@ -13,7 +13,7 @@ helpviewer_keywords:
 
 # Attached properties overview (WPF .NET)
 
-An attached property is a Extensible Application Markup Language (XAML) concept. Attached properties enable extra property/value pairs to be set on any XAML element, even though the element doesn't define those extra properties in its object model. The extra properties are globally accessible. Attached properties are typically defined as a specialized form of dependency property that doesn't have a conventional property wrapper.
+An attached property is a Extensible Application Markup Language (XAML) concept. Attached properties enable extra property/value pairs to be set on any XAML element that derives from <xref:System.Windows.DependencyObject>, even though the element doesn't define those extra properties in its object model. The extra properties are globally accessible. Attached properties are typically defined as a specialized form of dependency property that doesn't have a conventional property wrapper.
 
 [!INCLUDE [desktop guide under construction](../../includes/desktop-guide-preview-note.md)]