diff --git a/intro.js/intro.js-tests.ts b/intro.js/intro.js-tests.ts
index b8e8126ae..0ec5938f5 100644
--- a/intro.js/intro.js-tests.ts
+++ b/intro.js/intro.js-tests.ts
@@ -3,6 +3,8 @@
 var intro = introJs();
 
 intro.setOption('doneLabel', 'Next page');
+intro.setOption('overlayOpacity', 50);
+intro.setOption('showProgress', true);
 intro.setOptions({
     steps: [
         {
diff --git a/intro.js/intro.js.d.ts b/intro.js/intro.js.d.ts
index 15a73f517..6763124ba 100644
--- a/intro.js/intro.js.d.ts
+++ b/intro.js/intro.js.d.ts
@@ -1,20 +1,13 @@
-// Type definitions for intro.js 1.0.0
+// Type definitions for intro.js 1.1.1
 // Project: https://github.com/usablica/intro.js
 // Definitions by: Maxime Fabre <https://github.com/anahkiasen/>
 // Definitions: https://github.com/borisyankov/DefinitelyTyped
 
 declare module IntroJs {
-    enum Positions {
-        top,
-        left,
-        right,
-        bottom
-    }
-
     interface Step {
         intro: string;
-        element?: string|HTMLElement;
-        position?: string|Positions;
+        element?: string|HTMLElement|Element;
+        position?: string;
     }
 
     interface Options {
@@ -49,7 +42,7 @@ declare module IntroJs {
 
         refresh(): IntroJs;
 
-        setOption(option: string, value: string|number): IntroJs;
+        setOption(option: string, value: string|number|boolean): IntroJs;
         setOptions(options: Options): IntroJs;
 
         onexit(callback: Function): IntroJs;