update preview link

completejavascript · completejavascript · commit 7b2bedc29243 · 2018-08-18T20:01:18.000+07:00
diff --git a/README.md b/README.md
@@ -3,7 +3,7 @@ A very simple but useful Markdown Previewer and Markdown Editor with CodeMirror,
 
 # Preview
 
-  * [Markdown Editor](http://about.phamvanlam.com/markdown-editor/index.html)
+  * [Markdown Editor](http://about.phamvanlam.com/markdown-editor/)
 
 # Visit me
 
