diff --git a/server/managers/MigrationManager.js b/server/managers/MigrationManager.js
index 8f08cf8a..53db461b 100644
--- a/server/managers/MigrationManager.js
+++ b/server/managers/MigrationManager.js
@@ -9,6 +9,10 @@ const Logger = require('../Logger')
 class MigrationManager {
   static MIGRATIONS_META_TABLE = 'migrationsMeta'
 
+  /**
+   * @param {import('../Database').sequelize} sequelize
+   * @param {string} [configPath]
+   */
   constructor(sequelize, configPath = global.configPath) {
     if (!sequelize || !(sequelize instanceof Sequelize)) throw new Error('Sequelize instance is required for MigrationManager.')
     this.sequelize = sequelize
@@ -23,6 +27,11 @@ class MigrationManager {
     this.umzug = null
   }
 
+  /**
+   * Init version vars and copy migration files to config dir if necessary
+   *
+   * @param {string} serverVersion
+   */
   async init(serverVersion) {
     if (!(await fs.pathExists(this.configPath))) throw new Error(`Config path does not exist: ${this.configPath}`)
 
@@ -212,6 +221,13 @@ class MigrationManager {
     )
   }
 
+  /**
+   *
+   * @param {{ name: string }[]} migrations
+   * @param {string[]} executedMigrations - names of executed migrations
+   * @param {string} direction - 'up' or 'down'
+   * @returns {string[]} - names of migrations to run
+   */
   findMigrationsToRun(migrations, executedMigrations, direction) {
     const migrationsToRun = migrations
       .filter((migration) => {
diff --git a/test/server/migrations/v0.0.1-migration_example.js b/test/server/migrations/v0.0.1-migration_example.js
index a000de07..5af66fc4 100644
--- a/test/server/migrations/v0.0.1-migration_example.js
+++ b/test/server/migrations/v0.0.1-migration_example.js
@@ -1,10 +1,18 @@
 const { DataTypes } = require('sequelize')
 
+/**
+ * @typedef MigrationContext
+ * @property {import('sequelize').QueryInterface} queryInterface - a suquelize QueryInterface object.
+ * @property {import('../Logger')} logger - a Logger object.
+ *
+ * @typedef MigrationOptions
+ * @property {MigrationContext} context - an object containing the migration context.
+ */
+
 /**
  * This is an example of an upward migration script.
  *
- * @param {import { QueryInterface } from "sequelize";} options.context.queryInterface - a suquelize QueryInterface object.
- * @param {import { Logger } from "../../../server/Logger";} options.context.logger - a Logger object.
+ * @param {MigrationOptions} options - an object containing the migration context.
  * @returns {Promise<void>} - A promise that resolves when the migration is complete.
  */
 async function up({ context: { queryInterface, logger } }) {
@@ -28,8 +36,7 @@ async function up({ context: { queryInterface, logger } }) {
 /**
  * This is an example of a downward migration script.
  *
- * @param {import { QueryInterface } from "sequelize";} options.context.queryInterface - a suquelize QueryInterface object.
- * @param {import { Logger } from "../../../server/Logger";} options.context.logger - a Logger object.
+ * @param {MigrationOptions} options - an object containing the migration context.
  * @returns {Promise<void>} - A promise that resolves when the migration is complete.
  */
 async function down({ context: { queryInterface, logger } }) {