1 files changed, 1 insertions, 1 deletions
diff --git a/Tutorial.v b/Tutorial.v
index 8b4c753..76006ca 100644
--- a/Tutorial.v
+++ b/Tutorial.v
@@ -311,7 +311,7 @@ Section Peano.
      can specify which equivalence relation to use by declaring
      instances of the [AAC_lift] type class: *)
 
-  Instance lift_le_eq : AAC_lift le eq.
+  Instance lift_le_eq : AAC_lift le eq := {}.
   (** (This instance is automatically inferred because [eq] is always a
      valid candidate, here for [le].) *)