Added basic documentation as a README file.

The README explains some basics. Also fixed a typo in the dio
widget description, that I noticed while writing documentation.

1 files changed, 1 insertions, 1 deletions

diff --git a/dio.lua b/dio.lua
index 12a3961..e3d5343 100644
--- a/dio.lua
+++ b/dio.lua
@@ -12,7 +12,7 @@ local table = { insert = table.insert }
 -- }}}
 
 
--- Disk I/O: provides I/O statistics for requsted storage devices
+-- Disk I/O: provides I/O statistics for requested storage devices
 module("vicious.dio")