diff --git a/lib/store/tmp.js b/lib/store/tmp.js
index d596fb13..c3e51d86 100644
--- a/lib/store/tmp.js
+++ b/lib/store/tmp.js
@@ -11,7 +11,7 @@ var util = require('util'),
     Store = require('./index');
 
 function makeTempDir() {
-    var dir = path.join(os.tmpDir ? os.tmpDir() : /* istanbul ignore next */ (process.env.TMPDIR || '/tmp'), 'ts' + new Date().getTime());
+    var dir = path.join(os.tmpdir ? os.tmpdir() : /* istanbul ignore next */ (process.env.TMPDIR || '/tmp'), 'ts' + new Date().getTime());
     mkdirp.sync(dir);
     return dir;
 }
@@ -29,7 +29,7 @@ function makeTempDir() {
  * @module store
  * @param {Object} opts Optional.
  * @param {String} [opts.tmp] a pre-existing directory to use as the `tmp` directory. When not specified, a random directory
- *      is created under `os.tmpDir()`
+ *      is created under `os.tmpdir()`
  * @constructor
  */
 function TmpStore(opts) {