diff --git a/maker.js/makerjs-tests.ts b/maker.js/makerjs-tests.ts
index f6beb1b061..85ab38b6f9 100644
--- a/maker.js/makerjs-tests.ts
+++ b/maker.js/makerjs-tests.ts
@@ -7,8 +7,8 @@ function test() {
 	var p1: MakerJs.IPoint = [0, 0];
 	var p2: MakerJs.IPoint = [1, 1];
 	var paths = testPaths();
-	var path: MakerJs.IPath = testPaths[0];
-	var arc: MakerJs.IPathArc = testPaths[0];
+	var path = <MakerJs.IPath>testPaths[0];
+	var arc = <MakerJs.IPathArc>testPaths[0];
 	var models = testModels();
 	var model: MakerJs.IModel = models[0];
 	
diff --git a/maker.js/makerjs.d.ts b/maker.js/makerjs.d.ts
index 4137e2ad05..922c36f3e6 100644
--- a/maker.js/makerjs.d.ts
+++ b/maker.js/makerjs.d.ts
@@ -1,3 +1,5 @@
+// Type definitions for Maker.js
+// https://github.com/Microsoft/maker.js
 /**
  * Root module for Maker.js.
  *