diff --git a/models/messages.js b/models/messages.js
index dfbace7..c783e6f 100644
--- a/models/messages.js
+++ b/models/messages.js
@@ -4,8 +4,8 @@ import { DataTypes, Sequelize } from 'sequelize';
  * @typedef {Object} Message
  * @property {string} id A Discord message ID.
  * @property {(model: Object) => void} hasMany Defines an One-To-Many relationship.
- * @property {(conditions: Object) => void} findOne Finds one instance in the database matching the provided condition(-s).
- * @property {(conditions: Object) => void} findAll Finds all instances in the database matching the provided condition(-s).
+ * @property {(conditions: Object) => Promise<Message>} findOne Finds one instance in the database matching the provided condition(-s).
+ * @property {(conditions: Object) => Promise<Array<Message>>} findAll Finds all instances in the database matching the provided condition(-s).
  */
 
 /**
@@ -13,7 +13,7 @@ import { DataTypes, Sequelize } from 'sequelize';
  * @param {Sequelize} sequelize
  * @returns {Message}
  */
-export default function (sequelize) {
+export default function(sequelize) {
 	return sequelize.define('Messages', {
 		id: {
 			type: DataTypes.STRING,
diff --git a/models/roleEmojiPairs.js b/models/roleEmojiPairs.js
index 8eb1b70..1bf216f 100644
--- a/models/roleEmojiPairs.js
+++ b/models/roleEmojiPairs.js
@@ -7,8 +7,8 @@ import { DataTypes, Deferrable, Sequelize } from 'sequelize';
  * @property {string} role A Discord role ID.
  * @property {string} emoji Either a unicode emoji or a string representation in Discord custom emoji format.
  * @property {(model: Object) => void} hasMany Defines an One-To-Many relationship.
- * @property {(conditions: Object) => void} findOne Finds one instance in the database matching the provided condition(-s).
- * @property {(conditions: Object) => void} findAll Finds all instances in the database matching the provided condition(-s).
+ * @property {(conditions: Object) => Promise<RoleEmojiPair>} findOne Finds one instance in the database matching the provided condition(-s).
+ * @property {(conditions: Object) => Promise<Array<RoleEmojiPair>>} findAll Finds all instances in the database matching the provided condition(-s).
  */
 
 /**
@@ -16,7 +16,7 @@ import { DataTypes, Deferrable, Sequelize } from 'sequelize';
  * @param {Sequelize} sequelize
  * @returns {RoleEmojiPair}
  */
-export default function (sequelize) {
+export default function(sequelize) {
 	return sequelize.define('RoleEmojiPairs', {
 		id: {
 			defaultValue: DataTypes.UUIDV4,
diff --git a/models/voiceChannels.js b/models/voiceChannels.js
index c2fdc76..9cf3b88 100644
--- a/models/voiceChannels.js
+++ b/models/voiceChannels.js
@@ -6,8 +6,8 @@ import { DataTypes, Sequelize } from 'sequelize';
  * @property {boolean} create Whether or not this channel is registered to create customs when joined.
  * @property {(string|null)} owner The owner of this channel, if not registered for customs.
  * @property {(model: Object) => void} hasMany Defines an One-To-Many relationship.
- * @property {(conditions: Object) => void} findOne Finds one instance in the database matching the provided condition(-s).
- * @property {(conditions: Object) => void} findAll Finds all instances in the database matching the provided condition(-s).
+ * @property {(conditions: Object) => Promise<VoiceChannel>} findOne Finds one instance in the database matching the provided condition(-s).
+ * @property {(conditions: Object) => Promise<Array<VoiceChannel>>} findAll Finds all instances in the database matching the provided condition(-s).
  */
 
 /**
@@ -15,7 +15,7 @@ import { DataTypes, Sequelize } from 'sequelize';
  * @param {Sequelize} sequelize
  * @returns {VoiceChannel}
  */
-export default function (sequelize) {
+export default function(sequelize) {
 	return sequelize.define('VoiceChannel', {
 		id: {
 			type: DataTypes.STRING,