diff --git a/app/scripts/network-helper.js b/app/scripts/network-helper.js
index 16b1503..8c34bc9 100644
--- a/app/scripts/network-helper.js
+++ b/app/scripts/network-helper.js
@@ -21,7 +21,6 @@ const userAgent = "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15) " +
     "AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.0 Safari/605.1.15";
 axiosCookieJarSupport(axios);
 const cookieJar = new tough.CookieJar();
-
 const commonConfig = {
     headers: {
         "User-Agent": userAgent,
diff --git a/app/scripts/scraper.js b/app/scripts/scraper.js
index bfa823a..e5cd538 100644
--- a/app/scripts/scraper.js
+++ b/app/scripts/scraper.js
@@ -66,7 +66,7 @@ module.exports.getGameInfo = async function (url) {
  * Parse the game prefixes obtaining the engine used, 
  * the advancement status and if the game is actually a game or a mod.
  * @param {cheerio.Cheerio} body Page `body` selector
- * @returns {Object} Dictionary of values
+ * @returns {Object.<string, object>} Dictionary of values with keys `engine`, `status`, `mod`
  */
 function parseGamePrefixes(body) {
     shared.logger.trace("Parsing prefixes...");
@@ -106,7 +106,7 @@ function parseGamePrefixes(body) {
  * @private
  * Extracts all the possible informations from the title.
  * @param {cheerio.Cheerio} body Page `body` selector
- * @returns {Object} Dictionary of values
+ * @returns {Object.<string, string>} Dictionary of values with keys `name`, `author`, `version`
  */
 function extractInfoFromTitle(body) {
     shared.logger.trace("Extracting information from title...");
@@ -202,8 +202,10 @@ function extractChangelog(mainPost) {
  * @private
  * Process the main post text to get all the useful
  * information in the format *DESCRIPTOR : VALUE*.
+ * Gets "standard" values such as: `Language`, `SupportedOS`, `Censored`, and `LastUpdate`.
+ * All non-canonical values are instead grouped together as a dictionary with the key `Various`.
  * @param {String} text Structured text of the post
- * @returns {Object} Dictionary of information
+ * @returns {Object.<string, object>} Dictionary of information
  */
 function parseMainPostText(text) {
     shared.logger.trace("Parsing main post raw text...");
@@ -274,7 +276,7 @@ function parseMainPostText(text) {
  * @private
  * Extracts and processes the JSON-LD values found at the bottom of the page.
  * @param {cheerio.Cheerio} body Page `body` selector
- * @returns {Object} JSON-LD or `null` if no valid JSON is found
+ * @returns {Object.<string, string>} JSON-LD or `null` if no valid JSON is found
  */
 function extractStructuredData(body) {
     shared.logger.trace("Extracting JSON-LD data...");
diff --git a/app/scripts/user-scraper.js b/app/scripts/user-scraper.js
index 0d577de..05cff21 100644
--- a/app/scripts/user-scraper.js
+++ b/app/scripts/user-scraper.js
@@ -9,6 +9,11 @@ const f95Selector = require("./constants/css-selector.js");
 const f95url = require("./constants/url.js");
 const UserData = require("./classes/user-data.js");
 
+/**
+ * @protected
+ * Gets user data, such as username, url of watched threads, and profile picture url.
+ * @return {UserData} User data
+ */
 module.exports.getUserData = async function() {
     // Fetch data
     const data = await fetchUsernameAndAvatar();
@@ -24,6 +29,13 @@ module.exports.getUserData = async function() {
 };
 
 //#region Private methods
+/**
+ * @private
+ * It connects to the page and extracts the name 
+ * of the currently logged in user and the URL 
+ * of their profile picture.
+ * @return {Object.<string, string>}
+ */
 async function fetchUsernameAndAvatar() {
     // Fetch page
     const html = await networkHelper.fetchHTML(f95url.F95_BASE_URL);
@@ -44,6 +56,11 @@ async function fetchUsernameAndAvatar() {
     };
 }
 
+/**
+ * @private
+ * Gets the list of URLs of threads watched by the user.
+ * @returns {String[]} List of URLs
+ */
 async function fetchWatchedThreadURLs() {
     // Local variables
     let currentURL = f95url.F95_WATCHED_THREADS;
@@ -69,6 +86,12 @@ async function fetchWatchedThreadURLs() {
     return wathcedThreadURLs;
 }
 
+/**
+ * @private
+ * Gets the URLs of the watched threads on the page.
+ * @param {cheerio.Cheerio} body Page `body` selector
+ * @returns {String[]}
+ */
 function fetchPageURLs(body) {
     const elements = body.find(f95Selector.WT_URLS);
 
@@ -82,8 +105,11 @@ function fetchPageURLs(body) {
 }
 
 /**
- * 
- * @param {cheerio.Cheerio} body 
+ * @private
+ * Gets the URL of the next page containing the watched threads 
+ * or `null` if that page does not exist.
+ * @param {cheerio.Cheerio} body Page `body` selector
+ * @returns {String}
  */
 function fetchNextPageURL(body) {
     const element = body.find(f95Selector.WT_NEXT_PAGE).first();