diff --git a/components/lib/api/api.d.ts b/components/lib/api/api.d.ts
index 213b4140e7..f0e08d982b 100644
--- a/components/lib/api/api.d.ts
+++ b/components/lib/api/api.d.ts
@@ -497,7 +497,7 @@ export interface PrimeReactPTOptions {
     /**
      * Custom passthrough(pt) options for MultiStateCheckbox.
      */
-    multisatecheckbox?: MultiStateCheckboxPassThroughOptions;
+    multistatecheckbox?: MultiStateCheckboxPassThroughOptions;
     /**
      * Custom passthrough(pt) options for OrderList.
      */