diff --git a/README.md b/README.md
index d2711bc..819eb4d 100644
--- a/README.md
+++ b/README.md
@@ -4,3 +4,20 @@ tkdu
 Fork of Jeff Epler's tkdu program to visualize disk usage and `du` output
 
 See original version [here](https://github.com/daniel-beck/tkdu/commit/55ef0278c58b5a03687180bb5e5722fa3a22d7a5) or [on its website](http://www.unpythonic.net/jeff/tkdu/).
+
+
+```
+Usage:
+  tkdu.py <file.gz>     interpret file as gzipped du -ak output and visualize it
+  tkdu.py <file>        interpret file as du -ak output and visualize it
+  tkdu.py <folder>      analyze disk usage in that folder
+  tkdu.py -             interpret stdin input as du -ak output and visualize it
+  tkdu.py               ask for folder to analyze
+
+Controls:
+  * Press `q` to quit
+  * LMB: zoom in to item
+  * RMB: zoom out one level
+  * Press `1`..`9`: Show that many nested levels
+  * Press `0`: Show man nested levels
+```