diff --git a/modules/newusers/reports.js b/modules/newusers/reports.js
index b46f52e..1b7e809 100644
--- a/modules/newusers/reports.js
+++ b/modules/newusers/reports.js
@@ -388,7 +388,7 @@ class ReportsChannel {
      * @param {number|string} user ID or username of the Fandom user being
      * classified
      * @param {string} classifierId Discord user ID of the classifying user
-     * @returns {Promise} Result of the insert operation
+     * @returns {Promise<any>} Result of the insert operation
      */
     #updateClassification(isSpam, user, classifierId) {
         const query = typeof user === 'string' ?
@@ -405,7 +405,7 @@ class ReportsChannel {
      * Classifies all unclassified profiles as spam or not spam.
      * @param {boolean} isSpam Whether the profile is spam
      * @param {string} classifierId Discord ID of the classifying user
-     * @returns {Promise} Result of the insert operation
+     * @returns {Promise<any>} Result of the insert operation
      */
     #updateClassificationAll(isSpam, classifierId) {
         return this.#db.execute(UPDATE_ALL_PROFILES, [
diff --git a/modules/newusers/setup.js b/modules/newusers/setup.js
index e606d46..f5deee2 100644
--- a/modules/newusers/setup.js
+++ b/modules/newusers/setup.js
@@ -73,7 +73,7 @@ async function setupCommands() {
 
 /**
  * Sets up an application-owned webhook.
- * @returns {object} Webhook information
+ * @returns {Promise<object>} Webhook information
  */
 async function setupWebhook() {
     const url = new URL('https://discord.com/api/oauth2/authorize');
diff --git a/modules/newusers/util.js b/modules/newusers/util.js
index 13f71ed..6d4d3f3 100644
--- a/modules/newusers/util.js
+++ b/modules/newusers/util.js
@@ -21,7 +21,7 @@ function isReportable(userData) {
  * Can only get 50 users due to API restrictions.
  * @param {import('../../include/io.js')} io API client
  * @param {string[]} usernames Usernames whose data should be retrieved
- * @returns {number[]} User IDs of requested users
+ * @returns {Promise<number[]>} User IDs of requested users
  */
 async function getIds(io, usernames) {
     const {query} = await io.query('community', 'en', 'fandom.com', {
@@ -36,7 +36,7 @@ async function getIds(io, usernames) {
  * Retrieves user data about users with specified usernames from the API.
  * @param {import('../../include/io.js')} io API client
  * @param {string[]} usernames Usernames whose data should be retrieved
- * @returns {object[]} User data
+ * @returns {Promise<object[]>} User data
  */
 async function getUserData(io, usernames) {
     const usernamesLeft = Array.from(usernames);