diff --git a/Mathlib/Algebra/Algebra/NonUnitalHom.lean b/Mathlib/Algebra/Algebra/NonUnitalHom.lean
index 5a7d6336ac2df8..0c25d588faebdb 100644
--- a/Mathlib/Algebra/Algebra/NonUnitalHom.lean
+++ b/Mathlib/Algebra/Algebra/NonUnitalHom.lean
@@ -59,10 +59,10 @@ structure NonUnitalAlgHom [Monoid R] [Monoid S] (φ : R →* S) (A : Type v) (B
 infixr:25 " →ₙₐ " => NonUnitalAlgHom _
 
 @[inherit_doc]
-notation:25 A " →ₙₐ[" R "] " B => NonUnitalAlgHom (MonoidHom.id R) A B
+notation:25 A " →ₛₙₐ[" φ "] " B => NonUnitalAlgHom φ A B
 
 @[inherit_doc]
-notation:25 A " →ₛₙₐ[" φ "] " B => NonUnitalAlgHom φ A B
+notation:25 A " →ₙₐ[" R "] " B => NonUnitalAlgHom (MonoidHom.id R) A B
 
 attribute [nolint docBlame] NonUnitalAlgHom.toMulHom