Updated the getTableName documentation to include the options param

lib/model.js

@@ -448,6 +448,7 @@ module.exports = (function() {
    * Get the tablename of the model, taking schema into account. The method will return The name as a string if the model has no schema,
    * Get the tablename of the model, taking schema into account. The method will return The name as a string if the model has no schema,
    * or an object with `tableName`, `schema` and `delimiter` properties.
    * or an object with `tableName`, `schema` and `delimiter` properties.
    *
    *
+   * @param {Object} [options]
    * @return {String|Object}
    * @return {String|Object}
    */
    */
   Model.prototype.getTableName = function(options) {
   Model.prototype.getTableName = function(options) {