diff --git a/lib/InputHandler.hs b/lib/InputHandler.hs
index 9c04223..6555836 100644
--- a/lib/InputHandler.hs
+++ b/lib/InputHandler.hs
@@ -15,6 +15,11 @@ module InputHandler
 import Graphics.Gloss
 import qualified Graphics.Gloss.Interface.IO.Game as Game
 
+----------------------------------------------------------------------
+-- Handle one or more InputEvents to do something. Compose them to  --
+-- create an InputHandler that handles multiple inputs.             --
+----------------------------------------------------------------------
+
 ----------------------------- Constants ------------------------------
 
 -- Something that happens, most often a keypress