1 files changed, 1 insertions, 1 deletions
diff --git a/Spiral.hs b/Spiral.hs
index 42e7881..53b4d45 100644
--- a/Spiral.hs
+++ b/Spiral.hs
@@ -1,4 +1,4 @@
-{-# LANGUAGE MultiParamTypeClasses #-}
+{-# LANGUAGE FlexibleInstances, MultiParamTypeClasses #-}
 
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