diff --git a/substrate/frame/assets/src/impl_sufficiency.rs b/substrate/frame/assets/src/impl_sufficiency.rs
index 00fdbd2289dd..837cc57cc0f3 100644
--- a/substrate/frame/assets/src/impl_sufficiency.rs
+++ b/substrate/frame/assets/src/impl_sufficiency.rs
@@ -1,15 +1,34 @@
+// This file is part of Substrate.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// 	http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+//! Assets pallet's `StoredMap` implementation.
+
 use crate::{
-	traits::sufficiency::{Inspect, Mutate},
+	traits::sufficiency::{IsSufficient, SetSufficiency},
 	Asset, Config, Pallet,
 };
 
-impl<T: Config<I>, I: 'static> Inspect<<T as Config<I>>::AssetId> for Pallet<T, I> {
+impl<T: Config<I>, I: 'static> IsSufficient<<T as Config<I>>::AssetId> for Pallet<T, I> {
 	fn is_sufficient(asset_id: <T as Config<I>>::AssetId) -> bool {
 		Asset::<T, I>::get(asset_id).map(|asset| asset.is_sufficient).unwrap_or(false)
 	}
 }
 
-impl<T: Config<I>, I: 'static> Mutate<<T as Config<I>>::AssetId> for Pallet<T, I> {
+impl<T: Config<I>, I: 'static> SetSufficiency<<T as Config<I>>::AssetId> for Pallet<T, I> {
 	fn make_sufficient(asset_id: <T as Config<I>>::AssetId) -> sp_runtime::DispatchResult {
 		Pallet::<T, I>::do_set_sufficiency(asset_id, true)
 	}
diff --git a/substrate/frame/assets/src/tests.rs b/substrate/frame/assets/src/tests.rs
index f5bd8943eeec..a1186a20c3e5 100644
--- a/substrate/frame/assets/src/tests.rs
+++ b/substrate/frame/assets/src/tests.rs
@@ -102,7 +102,7 @@ fn basic_minting_should_work() {
 
 #[test]
 fn insufficient_assets_can_turn_into_sufficient() {
-	use sufficiency::{Inspect, Mutate};
+	use sufficiency::{IsSufficient, SetSufficiency};
 
 	new_test_ext().execute_with(|| {
 		assert_ok!(Assets::force_create(RuntimeOrigin::root(), 0, 1, false, 1));
diff --git a/substrate/frame/assets/src/traits.rs b/substrate/frame/assets/src/traits.rs
index b5b12c5698e8..d83fd87ab9f2 100644
--- a/substrate/frame/assets/src/traits.rs
+++ b/substrate/frame/assets/src/traits.rs
@@ -2,13 +2,13 @@ pub mod sufficiency {
 	use sp_runtime::DispatchResult;
 
 	/// Trait for providing the sufficiency of an asset.
-	pub trait Inspect<AssetId> {
+	pub trait IsSufficient<AssetId> {
 		/// Returns whether an asset is sufficient or not.
 		fn is_sufficient(asset_id: AssetId) -> bool;
 	}
 
 	/// Trait for mutating the sufficiency of an asset
-	pub trait Mutate<AssetId> {
+	pub trait SetSufficiency<AssetId> {
 		/// Makes the asset sufficient.
 		fn make_sufficient(asset_id: AssetId) -> DispatchResult;