diff --git a/bootstrap/bootstrap.d.ts b/bootstrap/bootstrap.d.ts
index 71b38d0b0..3545eb310 100644
--- a/bootstrap/bootstrap.d.ts
+++ b/bootstrap/bootstrap.d.ts
@@ -59,8 +59,8 @@ interface CollapseOptions {
 interface CarouselOptions {
     interval?: number;
     pause?: string;
-    wrap: boolean;
-    keybord: boolean;
+    wrap?: boolean;
+    keybord?: boolean;
 }
 
 interface TypeaheadOptions {