update jsdocs

Author: tarcisiozf

lib/user_info.js

@@ -21,6 +21,7 @@ class UserInfo extends Model {
    * @param {string} data.email - email
    * @param {string} data.username - username
    * @param {number} data.timezone - timezone as UTC offset
+   * @param {number} data.isPaperTradeEnabled - flag indicating paper trading account
    */
   constructor (data = {}) {
     super({ data, fields })
@@ -37,8 +38,8 @@ class UserInfo extends Model {
   /**
    * Validates a given historical trading ticker instance
    *
-   * @param {object[]|object|TradingTickerHist[]|TradingTickerHist|Array} data - instance to validate
-   * @returns {string} error - null if instance is valid
+   * @param {object[]|object|UserInfo[]|UserInfo|Array} data - instance to validate
+   * @returns {Error|null} error - null if instance is valid
    */
   static validate (data) {
     return super.validate({