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-rw-r--r--compiler/iface/TcIface.hs2
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/iface/TcIface.hs b/compiler/iface/TcIface.hs
index 2d30f52b8a..3a6a4070d2 100644
--- a/compiler/iface/TcIface.hs
+++ b/compiler/iface/TcIface.hs
@@ -255,7 +255,7 @@ mergeIfaceDecl d1 d2
--
-- A module that defines T as representational in both arguments
-- would successfully fill both signatures, so it would be better
--- if if we merged the roles of these types in some nontrivial
+-- if we merged the roles of these types in some nontrivial
-- way.
--
-- However, we have to be very careful about how we go about