preperify README but still lacking

README.md

@@ -1,10 +1,17 @@
-!nstant-markdown
+!nstant-markdown-d
 ================
+instant-markdown-d is a small Node.js server that enables instant compilation and previewing of Markup files. A plugin can easily be written for any text editor to interface with it. One currently exists for VIm: https://github.com/suan/vim-instant-markdown
 
-API
----
-| Action           | HTTP Method | Request URL               | Request Parameters |
+Installation
+------------
+- `[sudo] gem install redcarpet pygments.rb`
+- `[sudo] npm -g install instant-markdown-d`
+
+REST API
+--------
+| Action           | HTTP Method | Request URL               | Request Body |
 |---------------------|-------------|---------------------------|--------------------|
-| Open (blank) Webpage|  GET        | http://localhost:\<port\>  ||
-| Refresh Markdown | PUT        | http://localhost:\<port\> | contents=\<Markdown file contents\> (Multipart form data) |
+| Refresh Markdown on page | PUT        | http://localhost:\<port\> | \<New Markdown file contents\> |
 | Close Webpage    | DELETE      | http://localhost:\<port\> | |
+
+By default, `<port>` is 8090