diff --git a/vimeo/froogaloop.d.ts b/vimeo/froogaloop.d.ts
index d0e54e3199..b4af11258a 100644
--- a/vimeo/froogaloop.d.ts
+++ b/vimeo/froogaloop.d.ts
@@ -10,14 +10,14 @@ interface VimeoParams {
 
 interface VimeoPlayerAPI {
     (method: string): any;
-    (method: string, callback: (value: any, player_id: any) =>void ): any;
+    (method: string, callback: (value: any, player_id: any) => void): any;
     (method: string, value: any): any;
     (method: string, value: VimeoParams[]): any;
 }
 
 interface VimeoPlayer {
     api: VimeoPlayerAPI;
-    addEvent(eventName: string, callback: (e: any) =>void ): any;
+    addEvent(eventName: string, callback: (e: any) => void): any;
     removeEvent(eventName: string): void;
 }