Fixes for CRAN submission

DESCRIPTION

@@ -3,9 +3,10 @@ Title: Shiny/R Wrapper for 'clipboard.js'
 Version: 0.1
 Author: Sebastien Bihorel
 Maintainer: Sebastien Bihorel <[email protected]>
-Description: The 'rclipboard' package leverages 'clipboard.js' functionality
-    to provide a reactive copy-to-clipboard UI button component, called rclipButton,
-    for Shiny R applications.
+Description: Leverages the functionality of 'clipboard.js', a JavaScript library
+    for HMTL5-based copy to clipboard from web pages (see <https://clipboardjs.com>
+    for more information), and provides a reactive copy-to-clipboard UI button 
+    component, called 'rclipButton', for 'shiny' R applications.
 Depends: R (>= 3.3.0)
 License: MIT + file LICENSE
 Encoding: UTF-8