diff --git a/src/TIM.hs b/src/TIM.hs
index 43cd022..3eedd64 100644
--- a/src/TIM.hs
+++ b/src/TIM.hs
@@ -1,3 +1,7 @@
+{-|
+Module    : TIM
+Description : The Spineless Tagless G-Machine
+-}
 {-# LANGUAGE LambdaCase, BlockArguments #-}
 {-# LANGUAGE OverloadedStrings #-}
 {-# LANGUAGE ViewPatterns #-}