update root topics

Author: pollyndos

reporting-for-desktop/articles/index.md

@@ -2,10 +2,11 @@
 title: Report Designer
 author: Anna Gubareva
 ---
-# Report Designer
-This documentation section contains information about the basic principles of creating reports with Report Designers.
+# Reporting for Desktop
 
-The Report Designer user interface may vary depending on your application platform.
+This section contains information about the basic principles of creating reports with Report Designers.
+
+The Report Designer user interface varies depending on your application platform.
 
 The following topics are available in this section.
 * [Report Designer for WinForms](report-designer/report-designer-for-winforms.md)

reporting-for-web/articles/index.md

@@ -5,5 +5,9 @@ legacyId: 15757
 ---
 # Reporting for Web
 
+This section contains information about the basic principles of creating, viewing, and exporting reports on the Web.
+
+The following sections contains information about Web Report Designer and Web Document Viewer:
+
 * [Report Designer](report-designer.md)
 * [Document Viewer](document-viewer.md)