Update README.md

README.md

@@ -36,6 +36,7 @@ It is a fine-tune of **Qwen 2.5-VL-7B** using ~10 k synthetic doc-to-Reasoning-t
 **NuMarkdown-reasoning** is significantly better than similar size non-reasoning models trained for markdown generation on complex documents, and achieve competitive results against top close sources alternatives.
 
 ### Arena ranking (using trueskill-2 ranking system):
+<p align="center">
 | Rank | Model                                   | μ     | σ    | μ − 3σ |
 | ---- | --------------------------------------- | ----- | ---- | ------ |
 | 🥇 1 | **gemini-flash-reasoning**              | 26.75 | 0.80 | 24.35  |
@@ -45,6 +46,7 @@ It is a fine-tune of **Qwen 2.5-VL-7B** using ~10 k synthetic doc-to-Reasoning-t
 | 5    | **gpt-4o**                              | 24.48 | 0.80 | 22.08  |
 | 6    | **gemini-flash-w/o\_reasoning**         | 24.11 | 0.79 | 21.74  |
 | 7    | **RolmoOCR**                            | 23.53 | 0.82 | 21.07  |
+</p>
 
 *we plan to realease a markdown arena, similar to llmArena, for complex document to markdown task to help evaluate different document to markdown solution*