diff --git a/fingerprintjs2/fingerprint2-tests.ts b/fingerprintjs2/fingerprint2-tests.ts
new file mode 100644
index 000000000..7f4baf756
--- /dev/null
+++ b/fingerprintjs2/fingerprint2-tests.ts
@@ -0,0 +1,15 @@
+// Type definitions for fingerprintjs2 1.0.0-rc3
+// Project: https://github.com/Valve/fingerprintjs2
+// Definitions by: Sam Vloeberghs <https://github.com/samvloeberghs>
+// Definitions: https://github.com/borisyankov/DefinitelyTyped
+
+let f2 = new Fingerprint2.Fingerprint2();
+f2.get((result:string, components:Array<string>) => {
+
+});
+
+let options = <Fingerprint2Option>{};
+let f2withOptions = new Fingerprint2.Fingerprint2(options);
+f2withOptions.get((result:string, components:Array<string>) => {
+
+});
diff --git a/fingerprintjs2/fingerprint2.d.ts b/fingerprintjs2/fingerprint2.d.ts
new file mode 100644
index 000000000..87150da3d
--- /dev/null
+++ b/fingerprintjs2/fingerprint2.d.ts
@@ -0,0 +1,50 @@
+// Type definitions for fingerprintjs2 1.0.0-rc3
+// Project: https://github.com/Valve/fingerprintjs2
+// Definitions by: Sam Vloeberghs <https://github.com/samvloeberghs>
+// Definitions: https://github.com/borisyankov/DefinitelyTyped
+
+declare module Fingerprint2Js {
+
+    interface Fingerprint2Static {
+        new(option?:Fingerprint2Option): Fingerprint2;
+    }
+
+    interface Fingerprint2 {
+        get(func:(result:string, components:Array<string>) => void): void;
+    }
+
+    interface Fingerprint2Option {
+        swfContainerId?: string;
+        swfPath?: string;
+        excludeUserAgent?: boolean;
+        excludeLanguage?: boolean;
+        excludeColorDepth?: boolean;
+        excludeScreenResolution?: boolean;
+        excludeTimezoneOffset?: boolean;
+        excludeSessionStorage?: boolean;
+        excludeIndexedDB?: boolean;
+        excludeAddBehavior?: boolean;
+        excludeOpenDatabase?: boolean;
+        excludeCpuClass?: boolean;
+        excludePlatform?: boolean;
+        excludeDoNotTrack?: boolean;
+        excludeCanvas?: boolean;
+        excludeWebGL?: boolean;
+        excludeAdBlock?: boolean;
+        excludeHasLiedLanguages?: boolean;
+        excludeHasLiedResolution?: boolean;
+        excludeHasLiedOs?: boolean;
+        excludeHasLiedBrowser?: boolean;
+        excludeJsFonts?: boolean;
+        excludeFlashFonts?: boolean;
+        excludePlugins?: boolean;
+        excludeTouchSupport?: boolean;
+    }
+
+}
+
+declare var Fingerprint2:Fingerprint2Js.Fingerprint2Static;
+
+declare module "Fingerprint2" {
+    export = Fingerprint2;
+}
diff --git a/foundation-sites/foundation-sites.d.ts b/foundation-sites/foundation-sites.d.ts
index 6cf091da4..55070df14 100644
--- a/foundation-sites/foundation-sites.d.ts
+++ b/foundation-sites/foundation-sites.d.ts
@@ -1,4 +1,4 @@
-// Type definitions for Foundation Sites v6.1.x
+// Type definitions for Foundation Sites v6.1.1
 // Project: http://foundation.zurb.com/
 // Definitions by: Sam Vloeberghs <https://github.com/samvloeberghs/>
 // Definitions: https://github.com/borisyankov/DefinitelyTyped
@@ -194,7 +194,6 @@ declare module FoundationSites {
         position?: string;
         forceTop?: boolean;
         isRevealed?: boolean;
-        isRevealed?: boolean;
         revealOn?: string;
         autoFocus?: boolean;
         revealClass?: string;
@@ -378,8 +377,8 @@ declare module FoundationSites {
     }
 
     interface Nest {
-        Feather(menu:any, type:any);
-        Burn(menu:any, type:any);
+        Feather(menu:any, type:any):void;
+        Burn(menu:any, type:any):void;
     }
 
     interface Timer {