Update README

README.md

@@ -1,5 +1,13 @@
 # Org-mode syntax highlighting for Vim
 
-TODO: test with other colorthemes
+This is a minimal [Org-mode](https://orgmode.org/) plugin for Vim. It provides
-TODO: fix italics
+only the absolute necessities (e.g. syntax highlighting, indentation, folding,
-TODO: fix hyperlinks
+etc.). The goal of this plugin is to replicate Vim's existing
+[Markdown](https://github.com/tpope/vim-markdown/) editing experience for
+Org-mode files.
+
+**NOTE**: This plugin is still a work in progress.
+
+- **TODO**: test with other colorthemes
+- **TODO**: fix italics
+- **TODO**: fix hyperlinks