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-rw-r--r--src/Language/GraphQL/AST/Transform.hs4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/Language/GraphQL/AST/Transform.hs b/src/Language/GraphQL/AST/Transform.hs
index f3d2a38..9ecaaac 100644
--- a/src/Language/GraphQL/AST/Transform.hs
+++ b/src/Language/GraphQL/AST/Transform.hs
@@ -1,4 +1,8 @@
{-# LANGUAGE OverloadedStrings #-}
+
+-- | After the document is parsed, before getting executed the AST is
+-- transformed into a similar, simpler AST. This module is responsible for
+-- this transformation.
module Language.GraphQL.AST.Transform
( document
) where