--- a/README.rst	Mon Jul 04 22:56:48 2016 +0800
+++ b/README.rst	Wed Jul 06 15:12:44 2016 +0800
@@ -1,7 +1,12 @@
 Rollbot
 =======
 
-An XMPP bot that rolls dice and other similar things.
+An XMPP bot that rolls dice and flips coins::
+
+    > me: roll 4d20
+    < rollbot: (14 + 19 + 15 + 17) = 65
+    > me: flip
+    < rollbot: heads
 
 So far it has been tested (and works) on Python 2.7 and Python 3.5.