- * @param {Object} options
- * @param {Number} options.codeLength
- * @param {Buffer|String} options.key
- * @param {String} options.keyEncoding
- * @param {String} options.algorithm
- * @param {Number} options.timeStepSeconds
- * @param {Number} options.timeStepStartSeconds
- * @param {Number} options.driftForward
- * @param {Number} options.driftBackward
+ * @param {object} options options
+ * @param {number} options.codeLength digits in code
+ * @param {Buffer|string} options.key secret key
+ * @param {string} options.keyEncoding secret key encoding
+ * @param {string} options.algorithm algorithm
+ * @param {number} options.timeStepSeconds seconds per increment
+ * @param {number} options.timeStepStartSeconds seconds offset
+ * @param {number} options.driftForward allowed future steps to check
+ * @param {number} options.driftBackward allowed past steps to check