Added the Trademark Symbol in md files

Author: KrithikaGanesan

wpf/Pdf-Viewer/Acquiring-current-page-being-displayed.md

@@ -1,6 +1,6 @@
 ---
 layout: post
-title: Get current page displayed in WPF Pdf Viewer | Syncfusion®
+title: Acquire current page being displayed in WPF Pdf Viewer | Syncfusion®
 description: Learn about Acquire current page being displayed support in Syncfusion® WPF Pdf Viewer control and more.
 platform: wpf
 control: PDF Viewer