diff --git a/lib/runnable.js b/lib/runnable.js
index fef4941024..5e0970b159 100644
--- a/lib/runnable.js
+++ b/lib/runnable.js
@@ -211,7 +211,7 @@ Runnable.prototype.fullTitle = function () {
  *
  * @memberof Mocha.Runnable
  * @public
- * @return {string}
+ * @return {string[]}
  */
 Runnable.prototype.titlePath = function () {
   return this.parent.titlePath().concat([this.title]);
diff --git a/lib/suite.js b/lib/suite.js
index 43cb7556e1..64d7183fdf 100644
--- a/lib/suite.js
+++ b/lib/suite.js
@@ -387,7 +387,7 @@ Suite.prototype.fullTitle = function () {
  *
  * @memberof Suite
  * @public
- * @return {string}
+ * @return {string[]}
  */
 Suite.prototype.titlePath = function () {
   var result = [];