Fix duplicate entry in PP-DocTranslation documentation

Removed duplicate entry for saving visualization results.

Author: Luxorion-12

docs/version3.x/pipeline_usage/PP-DocTranslation.en.md

@@ -2502,7 +2502,7 @@ When enabled, the cell detection model is not used, only the table structure rec
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 </li>
 <li>Calling the<code>save_to_json()</code> method will save the above content to the specified <code>save_path</code> .If a directory is specified, the saved path will be <code>save_path/{your_img_basename}_res.json</code>，If a file is specified, it will be saved directly to that file. Since JSON files do not support saving numpy arrays, all <code>numpy.array</code> types will be converted to list format.</li>
-<li>调 Calling the <code>save_to_img()</code> method will save visualization results to the specified <code>save_path</code>. If a directory is specified, it will save layout detection visual images, global OCR visual images, layout reading order visual images, etc. If a file is specified, it will be saved directly to that file. (The pipeline usually contains many result images, so it is not recommended to specify a specific file path directly, or multiple images will be overwritten, leaving only the last image.)</li>
+<li>Calling the <code>save_to_img()</code> method will save visualization results to the specified <code>save_path</code>. If a directory is specified, it will save layout detection visual images, global OCR visual images, layout reading order visual images, etc. If a file is specified, it will be saved directly to that file. (The pipeline usually contains many result images, so it is not recommended to specify a specific file path directly, or multiple images will be overwritten, leaving only the last image.)</li>
 <li>Calling the <code>save_to_markdown()</code> method will save the converted Markdown files to the specified <code>save_path</code>. The saved file path will be <code>save_path/{your_img_basename}.md</code>. If the input is a PDF file, it is recommended to specify a directory directly, otherwise multiple markdown files will be overwritten.</li>
 <li>Calling the <code>concatenate_markdown_pages()</code> method merges the multi-page Markdown contents output by the PP-DocTranslation pipeline <code>markdown_list</code> into a single complete document and returns the merged Markdown content.</li>
 </ul>