Fix: broken link for whl package documentation.
This proposed change fixes the broken link under the section `2.4 Parameter Description` in the last line that says:
Most of the parameters are consistent with the PaddleOCR whl package, see `whl package documentation`.
@@ -311,7 +311,7 @@ Please refer to: [Key Information Extraction](../kie/README.md) .
| save_pdf | Whether to convert docx to pdf when recovery| False |
| structure_version | Structure version, optional PP-structure and PP-structurev2 | PP-structure |
-Most of the parameters are consistent with the PaddleOCR whl package, see [whl package documentation](../../doc/doc_en/whl.md)
+Most of the parameters are consistent with the PaddleOCR whl package, see [whl package documentation](../../doc/doc_en/whl_en.md)
<a name="3"></a>
## 3. Summary
