Update and rename datepicker-syles-and-templates.md to datepicker-sty… (#2660)

* Update and rename datepicker-syles-and-templates.md to datepicker-styles-and-templates.md

Rename datepicker-syles-and-templates.md to datepicker-styles-and-templates.md

* Update toc.md

Author: acidshards

docs/framework/wpf/controls/datepicker-syles-and-templates.md renamed to docs/framework/wpf/controls/datepicker-styles-and-templates.md

@@ -22,7 +22,7 @@ author: dotnet-bot
 ms.author: dotnetcontent
 manager: "wpickett"
 ---
-# DatePicker Syles and Templates
+# DatePicker Styles and Templates
 This topic describes the styles and templates for the <xref:System.Windows.Controls.DatePicker> control. You can modify the default <xref:System.Windows.Controls.ControlTemplate> to give the control a unique appearance. For more information, see [Customizing the Appearance of an Existing Control by Creating a ControlTemplate](../../../../docs/framework/wpf/controls/customizing-the-appearance-of-an-existing-control.md).  
 
 ## DatePicker Parts  

docs/framework/wpf/controls/toc.md

@@ -193,7 +193,7 @@
 #### [ComboBox Styles and Templates](combobox-styles-and-templates.md)
 #### [ContextMenu Styles and Templates](contextmenu-styles-and-templates.md)
 #### [DataGrid Styles and Templates](datagrid-styles-and-templates.md)
-#### [DatePicker Syles and Templates](datepicker-syles-and-templates.md)
+#### [DatePicker Styles and Templates](datepicker-styles-and-templates.md)
 #### [DocumentViewer Styles and Templates](documentviewer-styles-and-templates.md)
 #### [Expander Styles and Templates](expander-styles-and-templates.md)
 #### [Frame Styles and Templates](frame-styles-and-templates.md)