diff --git a/index.d.ts b/index.d.ts
index 2346427..3489c27 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -511,6 +511,7 @@ declare global {
          */
         create(data: {[key: string]: any}, options?: {
             rootElement?: string
+            includeHeader?: boolean
         }): string
 
         /**