diff --git a/etc/aiscript.api.md b/etc/aiscript.api.md
index a24367a7..6ca83a88 100644
--- a/etc/aiscript.api.md
+++ b/etc/aiscript.api.md
@@ -671,7 +671,7 @@ type Return = NodeBase & {
 
 // @public (undocumented)
 export class Scope {
-    constructor(layerdStates?: Scope['layerdStates'], parent?: Scope, name?: Scope['name'], nsName?: string);
+    constructor(layeredStates?: Scope['layeredStates'], parent?: Scope, name?: Scope['name'], nsName?: string);
     add(name: string, variable: Variable): void;
     assign(name: string, val: Value): void;
     // (undocumented)
diff --git a/src/interpreter/scope.ts b/src/interpreter/scope.ts
index a9c37dc8..c6640c49 100644
--- a/src/interpreter/scope.ts
+++ b/src/interpreter/scope.ts
@@ -4,11 +4,11 @@ import type { Value } from './value.js';
 import type { Variable } from './variable.js';
 import type { LogObject } from './index.js';
 
-export type LayerdStates = [Map<string, Variable>, ...Map<string, Variable>[]]
+export type LayeredStates = [Map<string, Variable>, ...Map<string, Variable>[]]
 
 export class Scope {
 	private parent?: Scope;
-	private layerdStates: LayerdStates;
+	private layeredStates: LayeredStates;
 	public name: string;
 	public opts: {
 		log?(type: string, params: LogObject): void;
@@ -16,10 +16,10 @@ export class Scope {
 	} = {};
 	public nsName?: string;
 
-	constructor(layerdStates: Scope['layerdStates'] = [new Map()], parent?: Scope, name?: Scope['name'], nsName?: string) {
-		this.layerdStates = layerdStates;
+	constructor(layeredStates: Scope['layeredStates'] = [new Map()], parent?: Scope, name?: Scope['name'], nsName?: string) {
+		this.layeredStates = layeredStates;
 		this.parent = parent;
-		this.name = name || (layerdStates.length === 1 ? '<root>' : '<anonymous>');
+		this.name = name || (layeredStates.length === 1 ? '<root>' : '<anonymous>');
 		this.nsName = nsName;
 	}
 
@@ -43,13 +43,13 @@ export class Scope {
 
 	@autobind
 	public createChildScope(states: Map<string, Variable> = new Map(), name?: Scope['name']): Scope {
-		const layer: LayerdStates = [states, ...this.layerdStates];
+		const layer: LayeredStates = [states, ...this.layeredStates];
 		return new Scope(layer, this, name);
 	}
 
 	@autobind
 	public createChildNamespaceScope(nsName: string, states: Map<string, Variable> = new Map(), name?: Scope['name']): Scope {
-		const layer: LayerdStates = [states, ...this.layerdStates];
+		const layer: LayeredStates = [states, ...this.layeredStates];
 		return new Scope(layer, this, name, nsName);
 	}
 
@@ -59,7 +59,7 @@ export class Scope {
 	 */
 	@autobind
 	public get(name: string): Value {
-		for (const layer of this.layerdStates) {
+		for (const layer of this.layeredStates) {
 			const value = layer.get(name);
 			if (value) {
 				const state = value.value;
@@ -70,7 +70,7 @@ export class Scope {
 
 		throw new AiScriptRuntimeError(
 			`No such variable '${name}' in scope '${this.name}'`,
-			{ scope: this.layerdStates });
+			{ scope: this.layeredStates });
 	}
 
 	/**
@@ -88,7 +88,7 @@ export class Scope {
 	 */
 	@autobind
 	public exists(name: string): boolean {
-		for (const layer of this.layerdStates) {
+		for (const layer of this.layeredStates) {
 			if (layer.has(name)) {
 				this.log('exists', { var: name });
 				return true;
@@ -104,7 +104,7 @@ export class Scope {
 	 */
 	@autobind
 	public getAll(): Map<string, Variable> {
-		const vars = this.layerdStates.reduce((arr, layer) => {
+		const vars = this.layeredStates.reduce((arr, layer) => {
 			return [...arr, ...layer];
 		}, [] satisfies [string, Variable][]);
 		return new Map(vars);
@@ -118,11 +118,11 @@ export class Scope {
 	@autobind
 	public add(name: string, variable: Variable): void {
 		this.log('add', { var: name, val: variable });
-		const states = this.layerdStates[0];
+		const states = this.layeredStates[0];
 		if (states.has(name)) {
 			throw new AiScriptRuntimeError(
 				`Variable '${name}' already exists in scope '${this.name}'`,
-				{ scope: this.layerdStates });
+				{ scope: this.layeredStates });
 		}
 		states.set(name, variable);
 		if (this.parent == null) this.onUpdated(name, variable.value);
@@ -137,7 +137,7 @@ export class Scope {
 	@autobind
 	public assign(name: string, val: Value): void {
 		let i = 1;
-		for (const layer of this.layerdStates) {
+		for (const layer of this.layeredStates) {
 			const variable = layer.get(name);
 			if (variable != null) {
 				if (!variable.isMutable) {
@@ -147,7 +147,7 @@ export class Scope {
 				variable.value = val;
 
 				this.log('assign', { var: name, val: val });
-				if (i === this.layerdStates.length) this.onUpdated(name, val);
+				if (i === this.layeredStates.length) this.onUpdated(name, val);
 				return;
 			}
 			i++;
@@ -155,6 +155,6 @@ export class Scope {
 
 		throw new AiScriptRuntimeError(
 			`No such variable '${name}' in scope '${this.name}'`,
-			{ scope: this.layerdStates });
+			{ scope: this.layeredStates });
 	}
 }