diff --git a/lib/tree.js b/lib/tree.js
index 1be687075..43af49656 100644
--- a/lib/tree.js
+++ b/lib/tree.js
@@ -34,7 +34,7 @@ Tree.prototype.builder = function() {
  * @async
  * @param {Tree} tree to diff against
  * @param {Function} callback
- * @return {DiffList}
+ * @return {Diff}
  */
 Tree.prototype.diff = function(tree, callback) {
   return this.diffWithOptions(tree, null, callback);
@@ -46,7 +46,7 @@ Tree.prototype.diff = function(tree, callback) {
  * @param {Tree} tree to diff against
  * @param {Object} options
  * @param {Function} callback
- * @return {DiffList}
+ * @return {Diff}
  */
 Tree.prototype.diffWithOptions = function(tree, options, callback) {
   return Diff.treeToTree(this.repo, tree, this, options).then(function(diff) {
diff --git a/test/tests/diff.js b/test/tests/diff.js
index 7eb243fc9..31aff3f64 100644
--- a/test/tests/diff.js
+++ b/test/tests/diff.js
@@ -112,7 +112,7 @@ describe("Diff", function() {
     });
   });
 
-  it("can walk a DiffList", function() {
+  it("can walk an Array<Diff>", function() {
     return this.diff[0].patches()
       .then(function(patches) {
         var patch = patches[0];