diff --git a/docs/parser/README.md b/docs/parser/README.md
index 15ed179..af6f816 100644
--- a/docs/parser/README.md
+++ b/docs/parser/README.md
@@ -14,7 +14,6 @@
 ## Interfaces
 
 - [Metafile](interfaces/Metafile.md)
-- [Option](interfaces/Option.md)
 - [PackwizIndex](interfaces/PackwizIndex.md)
 - [PackwizVersions](interfaces/PackwizVersions.md)
 
diff --git a/docs/parser/classes/IndexFileEntry.md b/docs/parser/classes/IndexFileEntry.md
index 7ea4059..61c02ac 100644
--- a/docs/parser/classes/IndexFileEntry.md
+++ b/docs/parser/classes/IndexFileEntry.md
@@ -6,7 +6,7 @@
 
 # Class: IndexFileEntry
 
-Defined in: parser.ts:30
+Defined in: parser.ts:29
 
 Represents a file entry in the Packwiz index.
 
@@ -16,7 +16,9 @@ Represents a file entry in the Packwiz index.
 
 > **new IndexFileEntry**(`file`, `hash`, `hashFormat`, `alias`?, `metafile`?, `preserve`?): [`IndexFileEntry`](IndexFileEntry.md)
 
-Defined in: parser.ts:31
+Defined in: parser.ts:39
+
+Creates a new IndexFileEntry instance.
 
 #### Parameters
 
@@ -24,26 +26,38 @@ Defined in: parser.ts:31
 
 [`Resource`](../../resource/classes/Resource.md)
 
+The Resource instance representing the file.
+
 ##### hash
 
 `string`
 
+The hash of the file.
+
 ##### hashFormat
 
 [`HashFormat`](../../enums/hash-format/enumerations/HashFormat.md)
 
+The format of the hash.
+
 ##### alias?
 
 `string`
 
+An optional alias for the file that will be downloaded by this file.
+
 ##### metafile?
 
 `boolean` = `false`
 
+Whether the file is a metafile.
+
 ##### preserve?
 
 `boolean` = `false`
 
+Whether to preserve the file downloaded by this file if it is modified by an end user.
+
 #### Returns
 
 [`IndexFileEntry`](IndexFileEntry.md)
@@ -54,7 +68,9 @@ Defined in: parser.ts:31
 
 > `readonly` `optional` **alias**: `string`
 
-Defined in: parser.ts:35
+Defined in: parser.ts:43
+
+An optional alias for the file that will be downloaded by this file.
 
 ***
 
@@ -62,7 +78,9 @@ Defined in: parser.ts:35
 
 > `readonly` **file**: [`Resource`](../../resource/classes/Resource.md)
 
-Defined in: parser.ts:32
+Defined in: parser.ts:40
+
+The Resource instance representing the file.
 
 ***
 
@@ -70,7 +88,9 @@ Defined in: parser.ts:32
 
 > `readonly` **hash**: `string`
 
-Defined in: parser.ts:33
+Defined in: parser.ts:41
+
+The hash of the file.
 
 ***
 
@@ -78,7 +98,9 @@ Defined in: parser.ts:33
 
 > `readonly` **hashFormat**: [`HashFormat`](../../enums/hash-format/enumerations/HashFormat.md)
 
-Defined in: parser.ts:34
+Defined in: parser.ts:42
+
+The format of the hash.
 
 ***
 
@@ -86,7 +108,9 @@ Defined in: parser.ts:34
 
 > `readonly` **metafile**: `boolean` = `false`
 
-Defined in: parser.ts:36
+Defined in: parser.ts:44
+
+Whether the file is a metafile.
 
 ***
 
@@ -94,7 +118,9 @@ Defined in: parser.ts:36
 
 > `readonly` **preserve**: `boolean` = `false`
 
-Defined in: parser.ts:37
+Defined in: parser.ts:45
+
+Whether to preserve the file downloaded by this file if it is modified by an end user.
 
 ## Methods
 
@@ -102,8 +128,12 @@ Defined in: parser.ts:37
 
 > **parse**(): `Promise`\<[`Metafile`](../interfaces/Metafile.md)\>
 
-Defined in: parser.ts:47
+Defined in: parser.ts:59
+
+Parses the TOML file and returns its contents.
 
 #### Returns
 
 `Promise`\<[`Metafile`](../interfaces/Metafile.md)\>
+
+The parsed file as a structured object.
diff --git a/docs/parser/classes/Packwiz.md b/docs/parser/classes/Packwiz.md
index ea32562..bd91118 100644
--- a/docs/parser/classes/Packwiz.md
+++ b/docs/parser/classes/Packwiz.md
@@ -6,7 +6,41 @@
 
 # Class: Packwiz
 
-Defined in: parser.ts:130
+Defined in: parser.ts:159
+
+A class representing a Packwiz TOML file.
+
+## Param
+
+The location of the TOML file.
+
+## Param
+
+The index of the TOML file.
+
+## Param
+
+The name of the pack.
+
+## Param
+
+The packwiz version of the TOML file.
+
+## Param
+
+The authors of the pack.
+
+## Param
+
+The description of the pack.
+
+## Param
+
+The version of the pack.
+
+## Param
+
+The Minecraft / modloader versions that the pack uses.
 
 ## Constructors
 
@@ -14,7 +48,7 @@ Defined in: parser.ts:130
 
 > **new Packwiz**(`location`, `index`, `name`, `packFormat`, `authors`, `description`, `version`, `versions`): [`Packwiz`](Packwiz.md)
 
-Defined in: parser.ts:131
+Defined in: parser.ts:160
 
 #### Parameters
 
@@ -60,7 +94,7 @@ Defined in: parser.ts:131
 
 > `readonly` **authors**: `string`[]
 
-Defined in: parser.ts:136
+Defined in: parser.ts:165
 
 ***
 
@@ -68,7 +102,7 @@ Defined in: parser.ts:136
 
 > `readonly` **description**: `string`
 
-Defined in: parser.ts:137
+Defined in: parser.ts:166
 
 ***
 
@@ -76,7 +110,7 @@ Defined in: parser.ts:137
 
 > `readonly` **index**: [`PackwizIndex`](../interfaces/PackwizIndex.md)
 
-Defined in: parser.ts:133
+Defined in: parser.ts:162
 
 ***
 
@@ -84,7 +118,7 @@ Defined in: parser.ts:133
 
 > `readonly` **location**: [`Resource`](../../resource/classes/Resource.md)
 
-Defined in: parser.ts:132
+Defined in: parser.ts:161
 
 ***
 
@@ -92,7 +126,7 @@ Defined in: parser.ts:132
 
 > `readonly` **name**: `string`
 
-Defined in: parser.ts:134
+Defined in: parser.ts:163
 
 ***
 
@@ -100,7 +134,7 @@ Defined in: parser.ts:134
 
 > `readonly` **packFormat**: `string` = `"packwiz:1.0.0"`
 
-Defined in: parser.ts:135
+Defined in: parser.ts:164
 
 ***
 
@@ -108,7 +142,7 @@ Defined in: parser.ts:135
 
 > `readonly` **version**: `string`
 
-Defined in: parser.ts:138
+Defined in: parser.ts:167
 
 ***
 
@@ -116,4 +150,4 @@ Defined in: parser.ts:138
 
 > `readonly` **versions**: [`PackwizVersions`](../interfaces/PackwizVersions.md)
 
-Defined in: parser.ts:139
+Defined in: parser.ts:168
diff --git a/docs/parser/functions/parsePackwiz.md b/docs/parser/functions/parsePackwiz.md
index 9201e81..0928385 100644
--- a/docs/parser/functions/parsePackwiz.md
+++ b/docs/parser/functions/parsePackwiz.md
@@ -8,7 +8,7 @@
 
 > **parsePackwiz**(`filePath`): `Promise`\<[`Packwiz`](../classes/Packwiz.md)\>
 
-Defined in: parser.ts:161
+Defined in: parser.ts:190
 
 Parses a packwiz.toml file and returns its contents.
 
diff --git a/docs/parser/interfaces/Metafile.md b/docs/parser/interfaces/Metafile.md
index fb87089..8a86d10 100644
--- a/docs/parser/interfaces/Metafile.md
+++ b/docs/parser/interfaces/Metafile.md
@@ -6,15 +6,41 @@
 
 # Interface: Metafile
 
-Defined in: parser.ts:13
+Defined in: parser.ts:16
+
+The structure of a Packwiz metafile.
 
 ## Properties
 
+### description?
+
+> `optional` **description**: `string`
+
+Defined in: parser.ts:23
+
+***
+
 ### filename
 
 > **filename**: `string`
 
-Defined in: parser.ts:15
+Defined in: parser.ts:18
+
+***
+
+### isDefault
+
+> **isDefault**: `boolean`
+
+Defined in: parser.ts:22
+
+***
+
+### isOptional
+
+> **isOptional**: `boolean`
+
+Defined in: parser.ts:21
 
 ***
 
@@ -22,15 +48,7 @@ Defined in: parser.ts:15
 
 > **name**: `string`
 
-Defined in: parser.ts:14
-
-***
-
-### option
-
-> **option**: [`Option`](Option.md)
-
-Defined in: parser.ts:18
+Defined in: parser.ts:17
 
 ***
 
@@ -38,7 +56,7 @@ Defined in: parser.ts:18
 
 > **provider**: [`UrlProvider`](../../provider/classes/UrlProvider.md)
 
-Defined in: parser.ts:17
+Defined in: parser.ts:20
 
 ***
 
@@ -46,4 +64,4 @@ Defined in: parser.ts:17
 
 > **side**: [`Side`](../../enums/side/enumerations/Side.md)
 
-Defined in: parser.ts:16
+Defined in: parser.ts:19
diff --git a/docs/parser/interfaces/Option.md b/docs/parser/interfaces/Option.md
deleted file mode 100644
index b46f413..0000000
--- a/docs/parser/interfaces/Option.md
+++ /dev/null
@@ -1,33 +0,0 @@
-[**packwizjs**](../../README.md)
-
-***
-
-[packwizjs](../../modules.md) / [parser](../README.md) / Option
-
-# Interface: Option
-
-Defined in: parser.ts:21
-
-## Properties
-
-### default?
-
-> `optional` **default**: `boolean`
-
-Defined in: parser.ts:23
-
-***
-
-### description?
-
-> `optional` **description**: `string`
-
-Defined in: parser.ts:24
-
-***
-
-### optional
-
-> **optional**: `boolean`
-
-Defined in: parser.ts:22
diff --git a/docs/parser/interfaces/PackwizIndex.md b/docs/parser/interfaces/PackwizIndex.md
index 694407b..15fe736 100644
--- a/docs/parser/interfaces/PackwizIndex.md
+++ b/docs/parser/interfaces/PackwizIndex.md
@@ -6,7 +6,7 @@
 
 # Interface: PackwizIndex
 
-Defined in: parser.ts:114
+Defined in: parser.ts:128
 
 Represents the structure of a Packwiz index file, as well as providing its location.
 
@@ -16,7 +16,7 @@ Represents the structure of a Packwiz index file, as well as providing its locat
 
 > **files**: [`IndexFileEntry`](../classes/IndexFileEntry.md)[]
 
-Defined in: parser.ts:118
+Defined in: parser.ts:132
 
 ***
 
@@ -24,7 +24,7 @@ Defined in: parser.ts:118
 
 > **hash**: `string`
 
-Defined in: parser.ts:116
+Defined in: parser.ts:130
 
 ***
 
@@ -32,7 +32,7 @@ Defined in: parser.ts:116
 
 > **hashFormat**: [`HashFormat`](../../enums/hash-format/enumerations/HashFormat.md)
 
-Defined in: parser.ts:117
+Defined in: parser.ts:131
 
 ***
 
@@ -40,4 +40,4 @@ Defined in: parser.ts:117
 
 > **location**: [`Resource`](../../resource/classes/Resource.md)
 
-Defined in: parser.ts:115
+Defined in: parser.ts:129
diff --git a/docs/parser/interfaces/PackwizVersions.md b/docs/parser/interfaces/PackwizVersions.md
index d5b5f92..84a350a 100644
--- a/docs/parser/interfaces/PackwizVersions.md
+++ b/docs/parser/interfaces/PackwizVersions.md
@@ -6,7 +6,10 @@
 
 # Interface: PackwizVersions
 
-Defined in: parser.ts:121
+Defined in: parser.ts:139
+
+Represents modloaders present in the pack.
+If any of these are not undefined, applications using this information should install the specific version of the modlaoder listed.
 
 ## Properties
 
@@ -14,7 +17,7 @@ Defined in: parser.ts:121
 
 > `optional` **fabric**: `string`
 
-Defined in: parser.ts:123
+Defined in: parser.ts:141
 
 ***
 
@@ -22,7 +25,7 @@ Defined in: parser.ts:123
 
 > `optional` **forge**: `string`
 
-Defined in: parser.ts:124
+Defined in: parser.ts:142
 
 ***
 
@@ -30,7 +33,7 @@ Defined in: parser.ts:124
 
 > `optional` **liteloader**: `string`
 
-Defined in: parser.ts:127
+Defined in: parser.ts:145
 
 ***
 
@@ -38,7 +41,7 @@ Defined in: parser.ts:127
 
 > **minecraft**: `string`
 
-Defined in: parser.ts:122
+Defined in: parser.ts:140
 
 ***
 
@@ -46,7 +49,7 @@ Defined in: parser.ts:122
 
 > `optional` **neoforge**: `string`
 
-Defined in: parser.ts:125
+Defined in: parser.ts:143
 
 ***
 
@@ -54,4 +57,4 @@ Defined in: parser.ts:125
 
 > `optional` **quilt**: `string`
 
-Defined in: parser.ts:126
+Defined in: parser.ts:144
diff --git a/src/parser.ts b/src/parser.ts
index 316ee52..6ce777b 100644
--- a/src/parser.ts
+++ b/src/parser.ts
@@ -10,17 +10,16 @@ import { HashFormat, isValidHashFormat } from "./enums/hash-format";
 import { isValidSide, type Side } from "./enums/side";
 import * as semver from "semver";
 
+/**
+ * The structure of a Packwiz metafile.
+ */
 export interface Metafile {
   name: string;
   filename: string;
   side: Side;
   provider: UrlProvider;
-  option: Option;
-}
-
-export interface Option {
-  optional: boolean;
-  default?: boolean;
+  isOptional: boolean;
+  isDefault: boolean;
   description?: string;
 }
 
@@ -28,6 +27,15 @@ export interface Option {
  * Represents a file entry in the Packwiz index.
  */
 export class IndexFileEntry {
+  /**
+   * Creates a new IndexFileEntry instance.
+   * @param file - The Resource instance representing the file.
+   * @param hash - The hash of the file.
+   * @param hashFormat - The format of the hash.
+   * @param alias - An optional alias for the file that will be downloaded by this file.
+   * @param metafile - Whether the file is a metafile.
+   * @param preserve - Whether to preserve the file downloaded by this file if it is modified by an end user.
+   */
   constructor(
     readonly file: Resource,
     readonly hash: string,
@@ -44,6 +52,10 @@ export class IndexFileEntry {
     this.preserve = preserve;
   }
 
+  /**
+   * Parses the TOML file and returns its contents.
+   * @returns The parsed file as a structured object.
+   */
   async parse(): Promise<Metafile> {
     if (this.metafile === false) {
       throw new Error(
@@ -59,16 +71,18 @@ export class IndexFileEntry {
       filename: parsed.filename,
       side: side,
       provider: this.parseProvider(parsed),
-      option: {
-        optional: parsed.option?.optional || false,
-        default: parsed.option?.default,
-        description: parsed.option?.description,
-      },
+      isOptional: parsed.option?.optional || false,
+      isDefault: parsed.option?.default || true,
+      description: parsed.option?.description,
     };
 
     return metafile;
   }
 
+  /**
+   * Parse the provider from the TOML file.
+   * @returns The parsed provider.
+   */
   private parseProvider(parsed: any): UrlProvider {
     if (parsed.update?.modrinth) {
       return new ModrinthProvider(
@@ -118,6 +132,10 @@ export interface PackwizIndex {
   files: IndexFileEntry[];
 }
 
+/**
+ * Represents modloaders present in the pack.
+ * If any of these are not undefined, applications using this information should install the specific version of the modlaoder listed.
+ */
 export interface PackwizVersions {
   minecraft: string;
   fabric?: string;
@@ -127,6 +145,17 @@ export interface PackwizVersions {
   liteloader?: string;
 }
 
+/**
+ * A class representing a Packwiz TOML file.
+ * @param location - The location of the TOML file.
+ * @param index - The index of the TOML file.
+ * @param name - The name of the pack.
+ * @param packFormat - The packwiz version of the TOML file.
+ * @param authors - The authors of the pack.
+ * @param description - The description of the pack.
+ * @param version - The version of the pack.
+ * @param versions - The Minecraft / modloader versions that the pack uses.
+ */
 export class Packwiz {
   constructor(
     readonly location: Resource,