Supply doc.

Author: jcs090218

README.md

@@ -1,4 +1,6 @@
 [![Build Status](https://travis-ci.com/jcs-elpa/docstr.svg?branch=master)](https://travis-ci.com/jcs-elpa/docstr)
+[![Release Tag](https://img.shields.io/github/tag/jcs-elpa/docstr.svg?label=release)](https://github.com/jcs-elpa/docstr/releases/latest)
+[![Emacs Ver.](https://img.shields.io/badge/Emacs-25.1+-blue.svg)](https://www.gnu.org/software/emacs/)
 [![License: GPL v3](https://img.shields.io/badge/License-GPL%20v3-blue.svg)](https://www.gnu.org/licenses/gpl-3.0)
 
 # docstr
@@ -96,7 +98,7 @@ string base on the `search-string` information. Then this is the result.
   <img src="./etc/csharp-vs-doc-demo.gif" width="450" height="172"/>
 </p>
 
-## Before Insertion
+## Before/After Insertion
 
 You can customize document before you actually insert anything.