diff --git a/mCustomScrollbar/mCustomScrollbar.d.ts b/mCustomScrollbar/mCustomScrollbar.d.ts
index f41aca00a..6ce44b23c 100644
--- a/mCustomScrollbar/mCustomScrollbar.d.ts
+++ b/mCustomScrollbar/mCustomScrollbar.d.ts
@@ -132,10 +132,18 @@ declare module MCustomScrollbar {
         */
         scrollInertia?: number;
         /**
++       * Scroll-to animation easing, values: "linear", "easeOut", "easeInOut". 
++       */
++       scrollEasing?: string;
++       /**
         * Scroll scrollbar dragger (instead of content) to a number of pixels, values: true, false
         */
         moveDragger?: boolean;
         /**
++       * Set a timeout for the method (the default timeout is 60 ms in order to work with automatic scrollbar update), value in milliseconds.
++       */
++       timeout?: number;
+        /**
         * Trigger user defined callback after scroll-to completes, value: true, false
         */
         callbacks?: boolean;
@@ -163,4 +171,4 @@ interface JQuery {
     * @param options Override default options
     */
     mCustomScrollbar(options?: MCustomScrollbar.CustomScrollbarOptions): JQuery;
-}
\ No newline at end of file
+}