diff --git a/README.md b/README.md
index 8d826ea..d80e6bb 100755
--- a/README.md
+++ b/README.md
@@ -27,7 +27,7 @@ Server Implementations
 
 This repository contains multiple implementations of the pixelflut protocol. Pull requests for additional implementations or improvements are always welcomed.
 
-#### `/pixelflut` (python server)
+### `/pixelflut` (python server)
 
 Server written in Python, based on gevent and pygame. Easy to hack with, but a bit slow.
 
@@ -54,6 +54,14 @@ Server written in C, based on libevent2, OpenGL, GLFW and pthreads. It won't get
     make
     ./pixelnuke
 
+Keyboard controls:
+
+* `F11`: Toggle between fullscreen and windowed mode
+* `F12`: Switch between multiple monitors in fullscreen mode
+* `c`: Clear the screen (50% black, hit multiple times)
+* `q` or `ESC`: Quit
+
+
 Pull requests that improve performance or portability (e.g. Windows or RasPI) are always welcomed.
 
 Even more implementations