diff --git a/jquery.slimScroll/jquery.slimScroll.d.ts b/jquery.slimScroll/jquery.slimScroll.d.ts
index d894828eb..e2b1b4523 100644
--- a/jquery.slimScroll/jquery.slimScroll.d.ts
+++ b/jquery.slimScroll/jquery.slimScroll.d.ts
@@ -49,6 +49,10 @@ interface IJQuerySlimScrollOptions {
     borderRadius?: string;
     // sets border radius of the rail
     railBorderRadius?: string;
+    // jumps to the specified scroll value
+    scrollTo?: string;
+    // increases/decreases current scroll value by specified amount
+    scrollBy?: string;
 }
 
 interface JQuery {