diff --git a/lib/flash.js b/lib/flash.js
index a278bc1..040825d 100644
--- a/lib/flash.js
+++ b/lib/flash.js
@@ -52,7 +52,7 @@ module.exports = function flash(options) {
  * Formatting uses `util.format()`, which is available on Node 0.6+.
  *
  * @param {String} type
- * @param {String} msg
+ * @param {String|Array} msg
  * @return {Array|Object|Number}
  * @api public
  */