diff --git a/pdfkit/index.d.ts b/pdfkit/index.d.ts
index 8bd1c7014e..053aa7f029 100644
--- a/pdfkit/index.d.ts
+++ b/pdfkit/index.d.ts
@@ -269,7 +269,7 @@ declare namespace PDFKit {
         new (options?: PDFDocumentOptions): PDFDocument;
 
         addPage(options?: PDFDocumentOptions): PDFDocument;
-        bufferedPageRanges(): { start: number; count: number };
+        bufferedPageRange(): { start: number; count: number };
         switchToPage(n?: number): PDFPage;
         flushPages(): void;
         ref(data: {}): PDFKitReference;