chore: fix bad name of instance (#1903)

leanprover-community · Jan 28, 2023 · 0985cf5 · 0985cf5
1 parent 2c6b1ac
commit 0985cf5
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/Mathlib/Algebra/Hom/GroupInstances.lean b/Mathlib/Algebra/Hom/GroupInstances.lean
@@ -53,7 +53,7 @@ instance MonoidHom.commMonoid [MulOneClass M] [CommMonoid N] :
 @[to_additive AddMonoidHom.addCommGroup
       "If `G` is an additive commutative group, then `M →+ G` is an additive commutative
       group too."]
-instance commGroup {M G} [MulOneClass M] [CommGroup G] : CommGroup (M →* G) :=
+instance MonoidHom.commGroup {M G} [MulOneClass M] [CommGroup G] : CommGroup (M →* G) :=
   { MonoidHom.commMonoid with
     inv := Inv.inv,
     div := Div.div,