diff --git a/README.md b/README.md
index b378efb..c664eb7 100644
--- a/README.md
+++ b/README.md
@@ -50,7 +50,7 @@ npx docs-to-pdf --initialDocURLs="https://docusaurus.io/docs/" --contentSelector
 | `--cssStyle`           | No       | CSS style to adjust PDF output ex: `--cssStyle="body{padding-top: 0;}"` \*If you're project owner you can use `@media print { }` to edit CSS for PDF.                              |
 | `--outputPDFFilename`  | No       | name of the output PDF file. Default is `docs-to-pdf.pdf`                                                                                                                          |
 | `--pdfMargin`          | No       | set margin around PDF file. Separate each margin **with comma and no space**. ex: `--pdfMargin="10,20,30,40"`. This sets margin `top: 10px, right: 20px, bottom: 30px, left: 40px` |
-| `--paperFormat`        | No       | pdf format ex: `--paperFormat="A3"`. Please check this link for available formats [Puppeteer document](https://pptr.dev/#?product=Puppeteer&version=v5.2.1&show=api-pagepdfoptions)|
+| `--paperFormat`        | No       | pdf format ex: `--paperFormat="A3"`. Please check this link for available formats [Puppeteer document](https://pptr.dev/api/puppeteer.paperformat)|
 | `--disableTOC`         | No       | Optional toggle to show the table of contents or not                                                                                                                               |
 | `--coverTitle`         | No       | Title for the PDF cover.                                                                                                                                                           |
 | `--coverImage`         | No       | `<src>` Image for PDF cover (does not support SVG)                                                                                                                                 |