Merge pull request #373 from samchivers/patch-1

Updated mouse-over title for image.

Author: gewarren

docs/designers/walkthrough-my-first-wpf-desktop-application2.md

@@ -266,7 +266,7 @@ In this section, you'll create the application infrastructure, which includes th
   
 1.  Choose the following image and save it as `watermark.png`.  
   
-     ![Watermark image for walkthrough](../designers/media/wpf_watermark.png "WPF_watermark")  
+     ![Watermark image for walkthrough](../designers/media/wpf_watermark.png "watermark")  
   
     > [!NOTE]
     >  Alternatively you can create your own image and save it as `watermark.png`.  
@@ -885,4 +885,4 @@ In this section, you'll create the application infrastructure, which includes th
 -   [Documents in WPF](/dotnet/framework/wpf/advanced/documents-in-wpf)  
 
 ## See Also  
-[Create Modern Desktop Applications with Windows Presentation Foundation](../designers/create-modern-desktop-applications-with-windows-presentation-foundation.md)
+[Create Modern Desktop Applications with Windows Presentation Foundation](../designers/create-modern-desktop-applications-with-windows-presentation-foundation.md)