diff --git a/muhammara.d.ts b/muhammara.d.ts
index 873effbf..d36d5d66 100755
--- a/muhammara.d.ts
+++ b/muhammara.d.ts
@@ -1066,7 +1066,7 @@ declare module "muhammara" {
       options?: Recipe.AnnotOptions
     ): Recipe;
 
-    appendPage(pdfSrc: string, pages?: number | number[]): Recipe;
+    appendPage(pdfSrc: string, pages?: number | (number | [number, number])[]): Recipe;
 
     encrypt(options: Recipe.EncryptOptions): Recipe;