diff --git a/index.js b/index.js
index 00ac27a..f728c51 100644
--- a/index.js
+++ b/index.js
@@ -21,7 +21,7 @@ const logStandards = function (standards) {
 /**
  * @param {object} options
  * @param {boolean} options.log
- * @param {cwd} options.cwd
+ * @param {string} options.cwd
  */
 const up = function (options) {
   return new Promise((resolve, reject) => {
@@ -47,7 +47,7 @@ const up = function (options) {
 /**
  * @param {object} options
  * @param {boolean} options.log
- * @param {cwd} options.cwd
+ * @param {string} options.cwd
  */
 const down = function (options) {
   return new Promise((resolve, reject) => {
@@ -99,7 +99,7 @@ const stop = function (options) {
 /**
  * @param {object} options
  * @param {boolean} options.log
- * @param {cwd} options.cwd
+ * @param {string} options.cwd
  */
 const kill = function (options) {
   return new Promise((resolve, reject) => {
diff --git a/package.json b/package.json
index a28c885..13ba716 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "docker-compose",
-  "version": "0.3.0",
+  "version": "0.3.1",
   "main": "index.js",
   "scripts": {
     "test": "./node_modules/tape/bin/tape test",