diff --git a/src/structures/Filters.ts b/src/Structures/Filters.ts
similarity index 99%
rename from src/structures/Filters.ts
rename to src/Structures/Filters.ts
index 0991a8e..374c23f 100644
--- a/src/structures/Filters.ts
+++ b/src/Structures/Filters.ts
@@ -1,4 +1,4 @@
-import { Band, bassBoostEqualizer, softEqualizer, trebleBassEqualizer, tvEqualizer, vaporwaveEqualizer } from "../utils/FiltersEqualizers";
+import { Band, bassBoostEqualizer, softEqualizer, trebleBassEqualizer, tvEqualizer, vaporwaveEqualizer } from "../Utils/FiltersEqualizers";
 import { Player } from "./Player";
 
 export class Filters {
diff --git a/src/structures/Manager.ts b/src/Structures/Manager.ts
similarity index 99%
rename from src/structures/Manager.ts
rename to src/Structures/Manager.ts
index db3a7a8..8fba726 100644
--- a/src/structures/Manager.ts
+++ b/src/Structures/Manager.ts
@@ -17,7 +17,7 @@ import { Collection } from "@discordjs/collection";
 import { Node, NodeOptions } from "./Node";
 import { Player, PlayerOptions, Track, UnresolvedTrack } from "./Player";
 import { VoiceState } from "..";
-import managerCheck from "../utils/ManagerCheck";
+import managerCheck from "../Utils/ManagerCheck";
 import { ClientUser, User } from "discord.js";
 import { TypedEmitter } from "tiny-typed-emitter";
 
@@ -420,7 +420,7 @@ export interface ManagerOptions {
 	defaultSearchPlatform?: SearchPlatform;
 	/** Whether the YouTube video titles should be replaced if the Author does not exactly match. */
 	replaceYouTubeCredentials?: boolean;
-	caches?: {
+	caches: {
 		/** Whether to cache the search results. */
 		enabled: boolean;
 		/** The time to cache the search results. */
diff --git a/src/structures/Node.ts b/src/Structures/Node.ts
similarity index 99%
rename from src/structures/Node.ts
rename to src/Structures/Node.ts
index 03e072a..ae1c5bd 100644
--- a/src/structures/Node.ts
+++ b/src/Structures/Node.ts
@@ -12,7 +12,7 @@ import {
 import { LavalinkResponse, Manager, PlaylistRawData } from "./Manager";
 import { Player, Track, UnresolvedTrack } from "./Player";
 import { Rest } from "./Rest";
-import nodeCheck from "../utils/NodeCheck";
+import nodeCheck from "../Utils/NodeCheck";
 import WebSocket from "ws";
 
 export class Node {
diff --git a/src/structures/Player.ts b/src/Structures/Player.ts
similarity index 99%
rename from src/structures/Player.ts
rename to src/Structures/Player.ts
index 85d5331..ed04415 100644
--- a/src/structures/Player.ts
+++ b/src/Structures/Player.ts
@@ -4,7 +4,7 @@ import { LavalinkInfo, Node } from "./Node";
 import { Queue } from "./Queue";
 import { Sizes, State, Structure, TrackSourceName, TrackUtils, VoiceState } from "./Utils";
 import * as _ from "lodash";
-import playerCheck from "../utils/PlayerCheck";
+import playerCheck from "../Utils/PlayerCheck";
 import { ClientUser, Message, User } from "discord.js";
 
 export class Player {
@@ -545,9 +545,7 @@ export class Player {
 		if (!this.queue.current) return undefined;
 		position = Number(position);
 
-		if (isNaN(position)) {
-			throw new RangeError("Position must be a number.");
-		}
+		if (isNaN(position)) throw new RangeError("Position must be a number.");
 		if (position < 0 || position > this.queue.current.duration) position = Math.max(Math.min(position, this.queue.current.duration), 0);
 
 		this.position = position;
diff --git a/src/structures/Queue.ts b/src/Structures/Queue.ts
similarity index 100%
rename from src/structures/Queue.ts
rename to src/Structures/Queue.ts
diff --git a/src/structures/Rest.ts b/src/Structures/Rest.ts
similarity index 100%
rename from src/structures/Rest.ts
rename to src/Structures/Rest.ts
diff --git a/src/structures/Utils.ts b/src/Structures/Utils.ts
similarity index 100%
rename from src/structures/Utils.ts
rename to src/Structures/Utils.ts
diff --git a/src/utils/FiltersEqualizers.ts b/src/Utils/FiltersEqualizers.ts
similarity index 100%
rename from src/utils/FiltersEqualizers.ts
rename to src/Utils/FiltersEqualizers.ts
diff --git a/src/utils/ManagerCheck.ts b/src/Utils/ManagerCheck.ts
similarity index 91%
rename from src/utils/ManagerCheck.ts
rename to src/Utils/ManagerCheck.ts
index 2adf23d..a577517 100644
--- a/src/utils/ManagerCheck.ts
+++ b/src/Utils/ManagerCheck.ts
@@ -1,9 +1,9 @@
-import { ManagerOptions } from "../structures/Manager";
+import { ManagerOptions } from "../Structures/Manager";
 
 export default function ManagerCheck(options: ManagerOptions) {
 	if (!options) throw new TypeError("ManagerOptions must not be empty.");
 
-	const { autoPlay, clientId, clientName, defaultSearchPlatform, nodes, plugins, send, shards, trackPartial, usePriority, useNode, replaceYouTubeCredentials } =
+	const { autoPlay, clientId, clientName, defaultSearchPlatform, nodes, plugins, send, shards, trackPartial, usePriority, useNode, replaceYouTubeCredentials, caches } =
 		options;
 
 	if (typeof autoPlay !== "undefined" && typeof autoPlay !== "boolean") {
@@ -17,7 +17,9 @@ export default function ManagerCheck(options: ManagerOptions) {
 	if (typeof clientName !== "undefined" && typeof clientName !== "string") {
 		throw new TypeError('Manager option "clientName" must be a string.');
 	}
-
+	if (typeof caches !== "undefined" && typeof caches !== "object") {
+		throw new TypeError('Manager option "caches" must be a object.');
+	}
 	if (typeof defaultSearchPlatform !== "undefined" && typeof defaultSearchPlatform !== "string") {
 		throw new TypeError('Manager option "defaultSearchPlatform" must be a string.');
 	}
diff --git a/src/utils/NodeCheck.ts b/src/Utils/NodeCheck.ts
similarity index 97%
rename from src/utils/NodeCheck.ts
rename to src/Utils/NodeCheck.ts
index b31b277..dc6cdba 100644
--- a/src/utils/NodeCheck.ts
+++ b/src/Utils/NodeCheck.ts
@@ -1,4 +1,4 @@
-import { NodeOptions } from "../structures/Node";
+import { NodeOptions } from "../Structures/Node";
 
 export default function NodeCheck(options: NodeOptions) {
 	if (!options) throw new TypeError("NodeOptions must not be empty.");
diff --git a/src/utils/PlayerCheck.ts b/src/Utils/PlayerCheck.ts
similarity index 95%
rename from src/utils/PlayerCheck.ts
rename to src/Utils/PlayerCheck.ts
index 10a9758..379ee3f 100644
--- a/src/utils/PlayerCheck.ts
+++ b/src/Utils/PlayerCheck.ts
@@ -1,4 +1,4 @@
-import { PlayerOptions } from "../structures/Player";
+import { PlayerOptions } from "../Structures/Player";
 
 export default function PlayerCheck(options: PlayerOptions) {
 	if (!options) throw new TypeError("PlayerOptions must not be empty.");
diff --git a/src/index.ts b/src/index.ts
index 136b882..6dcd663 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,11 +1,11 @@
-export * from "./structures/Manager";
-export * from "./structures/Node";
-export * from "./structures/Player";
-export * from "./structures/Queue";
-export * from "./structures/Utils";
-export * from "./structures/Filters";
-export * from "./structures/Rest";
-export * from "./utils/FiltersEqualizers";
-export * from "./utils/ManagerCheck";
-export * from "./utils/NodeCheck";
-export * from "./utils/PlayerCheck";
\ No newline at end of file
+export * from "./Structures/Manager";
+export * from "./Structures/Node";
+export * from "./Structures/Player";
+export * from "./Structures/Queue";
+export * from "./Structures/Utils";
+export * from "./Structures/Filters";
+export * from "./Structures/Rest";
+export * from "./Utils/FiltersEqualizers";
+export * from "./Utils/ManagerCheck";
+export * from "./Utils/NodeCheck";
+export * from "./Utils/PlayerCheck";
\ No newline at end of file