diff --git a/src/sdk/v4/audio.ts b/src/sdk/v4/audio.ts
index a0d973c..a91c5ba 100644
--- a/src/sdk/v4/audio.ts
+++ b/src/sdk/v4/audio.ts
@@ -15,33 +15,33 @@ import { decamelize } from 'humps';
 import Utils from '../utils';
 import { fetcher } from './_fetcher';
 
-type GetChapterRecitationsOptions = Partial<{
+type GetChapterRecitationOptions = Partial<{
   language: Language;
 }>;
 
-const defaultChapterRecitationsOptions: GetChapterRecitationsOptions = {
+const defaultChapterRecitationsOptions: GetChapterRecitationOptions = {
   language: Language.ARABIC,
 };
 
 const getChapterRecitationsOptions = (
-  options: GetChapterRecitationsOptions = {}
+  options: GetChapterRecitationOptions = {}
 ) => {
   const final: any = { ...defaultChapterRecitationsOptions, ...options };
 
   return final;
 };
 
-type GetVerseRecitationsOptions = Partial<{
+type GetVerseRecitationOptions = Partial<{
   language: Language;
   fields: Partial<Record<VerseRecitationField, boolean>>;
 }>;
 
-const defaultVerseRecitationsOptions: GetVerseRecitationsOptions = {
+const defaultVerseRecitationsOptions: GetVerseRecitationOptions = {
   language: Language.ARABIC,
 };
 
 const getVerseRecitationsOptions = (
-  options: GetVerseRecitationsOptions = {}
+  options: GetVerseRecitationOptions = {}
 ) => {
   const initial = { ...defaultVerseRecitationsOptions, ...options };
   const final: any = { language: initial.language };
@@ -61,13 +61,13 @@ const getVerseRecitationsOptions = (
  * Get all chapter recitations for specific reciter
  * @description https://quran.api-docs.io/v4/audio-recitations/list-of-all-surah-audio-files-for-specific-reciter
  * @param {string} reciterId
- * @param {GetChapterRecitationsOptions} options
+ * @param {GetChapterRecitationOptions} options
  * @example
  * quran.v4.audio.findAllChapterRecitations('2')
  */
 const findAllChapterRecitations = async (
   reciterId: string,
-  options?: GetChapterRecitationsOptions
+  options?: GetChapterRecitationOptions
 ) => {
   const params = getChapterRecitationsOptions(options);
   const { audioFiles } = await fetcher<{ audioFiles: ChapterRecitation[] }>(
@@ -82,14 +82,14 @@ const findAllChapterRecitations = async (
  * @description https://quran.api-docs.io/v4/audio-recitations/get-single-surah-audio-for-specific-reciter
  * @param {ChapterId} chapterId
  * @param {string} reciterId
- * @param {GetChapterRecitationsOptions} options
+ * @param {GetChapterRecitationOptions} options
  * @example
  * quran.v4.audio.findChapterRecitationById('1', '2') // first chapter recitation for reciter 2
  */
 const findChapterRecitationById = async (
   chapterId: ChapterId,
   reciterId: string,
-  options?: GetChapterRecitationsOptions
+  options?: GetChapterRecitationOptions
 ) => {
   if (!Utils.isValidChapterId(chapterId)) throw new Error('Invalid chapter id');
 
@@ -107,14 +107,14 @@ const findChapterRecitationById = async (
  * @description https://quran.api-docs.io/v4/audio-recitations/get-ayah-recitations-for-specific-surah
  * @param {ChapterId} chapterId
  * @param {string} recitationId
- * @param {GetVerseRecitationsOptions} options
+ * @param {GetVerseRecitationOptions} options
  * @example
  * quran.v4.audio.findVerseRecitationsByChapter('1', '2')
  */
 const findVerseRecitationsByChapter = async (
   chapterId: ChapterId,
   recitationId: string,
-  options?: GetVerseRecitationsOptions
+  options?: GetVerseRecitationOptions
 ) => {
   if (!Utils.isValidChapterId(chapterId)) throw new Error('Invalid chapter id');
 
@@ -139,7 +139,7 @@ const findVerseRecitationsByChapter = async (
 const findVerseRecitationsByJuz = async (
   juz: JuzNumber,
   recitationId: string,
-  options?: GetVerseRecitationsOptions
+  options?: GetVerseRecitationOptions
 ) => {
   if (!Utils.isValidJuz(juz)) throw new Error('Invalid juz');
 
@@ -157,14 +157,14 @@ const findVerseRecitationsByJuz = async (
  * @description https://quran.api-docs.io/v4/audio-recitations/get-ayah-recitations-for-specific-madani-mushaf-page
  * @param {PageNumber} page
  * @param {string} recitationId
- * @param {GetVerseRecitationsOptions} options
+ * @param {GetVerseRecitationOptions} options
  * @example
  * quran.v4.audio.findVerseRecitationsByPage('1', '2')
  */
 const findVerseRecitationsByPage = async (
   page: PageNumber,
   recitationId: string,
-  options?: GetVerseRecitationsOptions
+  options?: GetVerseRecitationOptions
 ) => {
   if (!Utils.isValidQuranPage(page)) throw new Error('Invalid page');
 
@@ -182,14 +182,14 @@ const findVerseRecitationsByPage = async (
  * @description https://quran.api-docs.io/v4/audio-recitations/get-ayah-recitations-for-specific-rub
  * @param {RubNumber} rub
  * @param {string} recitationId
- * @param {GetVerseRecitationsOptions} options
+ * @param {GetVerseRecitationOptions} options
  * @example
  * quran.v4.audio.findVerseRecitationsByRub('1', '2')
  */
 const findVerseRecitationsByRub = async (
   rub: RubNumber,
   recitationId: string,
-  options?: GetVerseRecitationsOptions
+  options?: GetVerseRecitationOptions
 ) => {
   if (!Utils.isValidRub(rub)) throw new Error('Invalid rub');
 
@@ -207,14 +207,14 @@ const findVerseRecitationsByRub = async (
  * @description https://quran.api-docs.io/v4/audio-recitations/get-ayah-recitations-for-specific-hizb
  * @param {HizbNumber} hizb
  * @param {string} recitationId
- * @param {GetVerseRecitationsOptions} options
+ * @param {GetVerseRecitationOptions} options
  * @example
  * quran.v4.audio.findVerseRecitationsByHizb('1', '2')
  */
 const findVerseRecitationsByHizb = async (
   hizb: HizbNumber,
   recitationId: string,
-  options?: GetVerseRecitationsOptions
+  options?: GetVerseRecitationOptions
 ) => {
   if (!Utils.isValidHizb(hizb)) throw new Error('Invalid hizb');
 
@@ -228,18 +228,18 @@ const findVerseRecitationsByHizb = async (
 };
 
 /**
- * Get all verse audio files for a specific reciter and a specific hizb
+ * Get all verse audio files for a specific reciter and a specific verse
  * @description https://quran.api-docs.io/v4/audio-recitations/get-ayah-recitations-for-specific-ayah
  * @param {VerseKey} key
  * @param {string} recitationId
- * @param {GetVerseRecitationsOptions} options
+ * @param {GetVerseRecitationOptions} options
  * @example
  * quran.v4.audio.findVerseRecitationsByKey('1:1', '2')
  */
 const findVerseRecitationsByKey = async (
   key: VerseKey,
   recitationId: string,
-  options?: GetVerseRecitationsOptions
+  options?: GetVerseRecitationOptions
 ) => {
   if (!Utils.isValidVerseKey(key)) throw new Error('Invalid verse key');
 
diff --git a/src/sdk/v4/chapters.ts b/src/sdk/v4/chapters.ts
index 4478a0c..2550a77 100644
--- a/src/sdk/v4/chapters.ts
+++ b/src/sdk/v4/chapters.ts
@@ -2,15 +2,15 @@ import { Chapter, ChapterId, ChapterInfo, Language } from '../../types';
 import { fetcher } from './_fetcher';
 import Utils from '../utils';
 
-type Options = Partial<{
+type GetChapterOptions = Partial<{
   language: Language;
 }>;
 
-const defaultOptions: Options = {
+const defaultOptions: GetChapterOptions = {
   language: Language.ARABIC,
 };
 
-const getChapterOptions = (options: Options = {}) => {
+const getChapterOptions = (options: GetChapterOptions = {}) => {
   const final: any = { ...defaultOptions, ...options };
   return final;
 };
@@ -18,11 +18,11 @@ const getChapterOptions = (options: Options = {}) => {
 /**
  * Get all chapters.
  * @description https://quran.api-docs.io/v4/chapters/list-chapters
- * @param {Options} options
+ * @param {GetChapterOptions} options
  * @example
  * quran.v4.chapters.findAll()
  */
-const findAll = async (options?: Options) => {
+const findAll = async (options?: GetChapterOptions) => {
   const params = getChapterOptions(options);
   const { chapters } = await fetcher<{ chapters: Chapter[] }>(
     '/chapters',
@@ -36,12 +36,12 @@ const findAll = async (options?: Options) => {
  * Get chapter by id.
  * @description https://quran.api-docs.io/v4/chapters/get-chapter
  * @param {ChapterId} id chapter id, minimum 1, maximum 114
- * @param {Options} options
+ * @param {GetChapterOptions} options
  * @example
  * quran.v4.chapters.findById('1')
  * quran.v4.chapters.findById('114')
  */
-const findById = async (id: ChapterId, options?: Options) => {
+const findById = async (id: ChapterId, options?: GetChapterOptions) => {
   if (!Utils.isValidChapterId(id)) throw new Error('Invalid chapter id');
 
   const params = getChapterOptions(options);
@@ -57,12 +57,12 @@ const findById = async (id: ChapterId, options?: Options) => {
  * Get chapter info by id.
  * @description https://quran.api-docs.io/v4/chapters/chapter_info
  * @param {ChapterId} id chapter id, minimum 1, maximum 114
- * @param {Options} options
+ * @param {GetChapterOptions} options
  * @example
  * quran.v4.chapters.findInfoById('1')
  * quran.v4.chapters.findInfoById('114')
  */
-const findInfoById = async (id: ChapterId, options?: Options) => {
+const findInfoById = async (id: ChapterId, options?: GetChapterOptions) => {
   if (!Utils.isValidChapterId(id)) throw new Error('Invalid chapter id');
 
   const params = getChapterOptions(options);
diff --git a/src/sdk/v4/resources.ts b/src/sdk/v4/resources.ts
index cb88b55..7b4e3c2 100644
--- a/src/sdk/v4/resources.ts
+++ b/src/sdk/v4/resources.ts
@@ -14,15 +14,15 @@ import {
 } from '../../types';
 import { fetcher } from './_fetcher';
 
-type GetResourcesOptions = Partial<{
+type GetResourceOptions = Partial<{
   language: Language;
 }>;
 
-const defaultOptions: GetResourcesOptions = {
+const defaultOptions: GetResourceOptions = {
   language: Language.ARABIC,
 };
 
-const getResourcesOptions = (options: GetResourcesOptions = {}) => {
+const getResourcesOptions = (options: GetResourceOptions = {}) => {
   const final: any = { ...defaultOptions, ...options };
   return final;
 };
@@ -30,11 +30,11 @@ const getResourcesOptions = (options: GetResourcesOptions = {}) => {
 /**
  * Get all recitations.
  * @description https://quran.api-docs.io/v4/resources/recitations
- * @param {GetResourcesOptions} options
+ * @param {GetResourceOptions} options
  * @example
  * quran.v4.resources.findAllRecitations()
  */
-const findAllRecitations = async (options?: GetResourcesOptions) => {
+const findAllRecitations = async (options?: GetResourceOptions) => {
   const params = getResourcesOptions(options);
   const { recitations } = await fetcher<{
     recitations: RecitationResource[];
@@ -48,11 +48,11 @@ const findAllRecitations = async (options?: GetResourcesOptions) => {
  * Get all recitation info.
  * @description https://quran.api-docs.io/v4/resources/recitation-info
  * @param {string} id recitation id
- * @param {GetResourcesOptions} options
+ * @param {GetResourceOptions} options
  * @example
  * quran.v4.resources.findRecitationInfo('1')
  */
-// const findRecitationInfo = async (id: string, options?: GetResourcesOptions) => {
+// const findRecitationInfo = async (id: string, options?: GetResourceOptions) => {
 //   const params = getResourcesOptions(options);
 //   const { info } = await fetcher<{
 //     info: RecitationInfoResource;
@@ -64,11 +64,11 @@ const findAllRecitations = async (options?: GetResourcesOptions) => {
 /**
  * Get all translations.
  * @description https://quran.api-docs.io/v4/resources/translations
- * @param {GetResourcesOptions} options
+ * @param {GetResourceOptions} options
  * @example
  * quran.v4.resources.findAllTranslations()
  */
-const findAllTranslations = async (options?: GetResourcesOptions) => {
+const findAllTranslations = async (options?: GetResourceOptions) => {
   const params = getResourcesOptions(options);
   const { translations } = await fetcher<{
     translations: TranslationResource[];
@@ -82,11 +82,11 @@ const findAllTranslations = async (options?: GetResourcesOptions) => {
  * Get translation info.
  * @description https://quran.api-docs.io/v4/resources/translation-info
  * @param {string} id translation id
- * @param {GetResourcesOptions} options
+ * @param {GetResourceOptions} options
  * @example
  * quran.v4.resources.findTranslationInfo('169')
  */
-// const findTranslationInfo = async (id: string, options?: GetResourcesOptions) => {
+// const findTranslationInfo = async (id: string, options?: GetResourceOptions) => {
 //   const params = getResourcesOptions(options);
 //   const { info } = await fetcher<{
 //     info: TranslationInfoResource;
@@ -98,11 +98,11 @@ const findAllTranslations = async (options?: GetResourcesOptions) => {
 /**
  * Get all tafsirs.
  * @description https://quran.api-docs.io/v4/resources/tafsirs
- * @param {GetResourcesOptions} options
+ * @param {GetResourceOptions} options
  * @example
  * quran.v4.resources.findAllTafsirs()
  */
-const findAllTafsirs = async (options?: GetResourcesOptions) => {
+const findAllTafsirs = async (options?: GetResourceOptions) => {
   const params = getResourcesOptions(options);
   const { tafsirs } = await fetcher<{
     tafsirs: TafsirResource[];
@@ -116,11 +116,11 @@ const findAllTafsirs = async (options?: GetResourcesOptions) => {
  * Get tafsir info.
  * @description https://quran.api-docs.io/v4/resources/tafsirs-info
  * @param {string} id tafsir id
- * @param {GetResourcesOptions} options
+ * @param {GetResourceOptions} options
  * @example
  * quran.v4.resources.findTranslationInfo('1')
  */
-// const findTafsirInfo = async (id: string, options?: GetResourcesOptions) => {
+// const findTafsirInfo = async (id: string, options?: GetResourceOptions) => {
 //   const params = getResourcesOptions(options);
 //   const { info } = await fetcher<{
 //     info: TafsirInfoResource;
@@ -146,11 +146,11 @@ const findAllRecitationStyles = async () => {
 /**
  * Get all languages.
  * @description https://quran.api-docs.io/v4/resources/languages
- * @param {GetResourcesOptions} options
+ * @param {GetResourceOptions} options
  * @example
  * quran.v4.resources.findAllLanguages()
  */
-const findAllLanguages = async (options?: GetResourcesOptions) => {
+const findAllLanguages = async (options?: GetResourceOptions) => {
   const params = getResourcesOptions(options);
   const { languages } = await fetcher<{
     languages: LanguageResource[];
@@ -162,11 +162,11 @@ const findAllLanguages = async (options?: GetResourcesOptions) => {
 /**
  * Get all chapter infos.
  * @description https://quran.api-docs.io/v4/resources/chapter-info
- * @param {GetResourcesOptions} options
+ * @param {GetResourceOptions} options
  * @example
  * quran.v4.resources.findAllChapterInfos()
  */
-const findAllChapterInfos = async (options?: GetResourcesOptions) => {
+const findAllChapterInfos = async (options?: GetResourceOptions) => {
   const params = getResourcesOptions(options);
   const { chapterInfos } = await fetcher<{
     chapterInfos: ChapterInfoResource[];
@@ -178,11 +178,11 @@ const findAllChapterInfos = async (options?: GetResourcesOptions) => {
 /**
  * Get verse media.
  * @description https://quran.api-docs.io/v4/resources/verse_media
- * @param {GetResourcesOptions} options
+ * @param {GetResourceOptions} options
  * @example
  * quran.v4.resources.findVerseMedia()
  */
-const findVerseMedia = async (options?: GetResourcesOptions) => {
+const findVerseMedia = async (options?: GetResourceOptions) => {
   const params = getResourcesOptions(options);
   const { verseMedia } = await fetcher<{
     verseMedia: VerseMediaResource;
@@ -194,11 +194,11 @@ const findVerseMedia = async (options?: GetResourcesOptions) => {
 /**
  * Get all chapter reciters.
  * @description https://quran.api-docs.io/v4/resources/list-of-chapter-reciters
- * @param {GetResourcesOptions} options
+ * @param {GetResourceOptions} options
  * @example
  * quran.v4.resources.findAllChapterReciters()
  */
-const findAllChapterReciters = async (options?: GetResourcesOptions) => {
+const findAllChapterReciters = async (options?: GetResourceOptions) => {
   const params = getResourcesOptions(options);
   const { reciters } = await fetcher<{
     reciters: ChapterReciterResource[];
diff --git a/src/sdk/v4/search.ts b/src/sdk/v4/search.ts
index 45d2da2..8ec8d34 100644
--- a/src/sdk/v4/search.ts
+++ b/src/sdk/v4/search.ts
@@ -20,13 +20,13 @@ const getSearchOptions = (q: string, options: SearchOptions = {}) => {
 /**
  * Search
  * @description https://quran.api-docs.io/v4/search/KfCmk4KQYbtyK9adj
- * @param q search query
- * @param options search options
+ * @param {string} q search query
+ * @param {SearchOptions} options
  * @example
- * quran.v4.search.search('الله')
- * quran.v4.search.search('الله', { language: Language.ENGLISH })
- * quran.v4.search.search('الله', { language: Language.ENGLISH, size: 10 })
- * quran.v4.search.search('الله', { language: Language.ENGLISH, page: 2 })
+ * quran.v4.search.search('نور')
+ * quran.v4.search.search('نور', { language: Language.ENGLISH })
+ * quran.v4.search.search('نور', { language: Language.ENGLISH, size: 10 })
+ * quran.v4.search.search('نور', { language: Language.ENGLISH, page: 2 })
  */
 const search = async (q: string, options?: SearchOptions) => {
   const params = getSearchOptions(q, options);