1 files changed, 1 insertions, 1 deletions
diff --git a/TwoPane.hs b/TwoPane.hs
index 867e6a7..a3ea118 100644
--- a/TwoPane.hs
+++ b/TwoPane.hs
@@ -1,4 +1,4 @@
-{-# LANGUAGE FlexibleInstances #-}
+{-# LANGUAGE FlexibleInstances, MultiParamTypeClasses #-}
 
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