Update algorithm_kie_vi_layoutxlm_en.md (#10736)

fix: typo error and created `2. Environment` header section which was missing before.

doc/doc_en/algorithm_kie_vi_layoutxlm_en.md

@@ -19,18 +19,20 @@ VI-LayoutXLM is improved based on LayoutXLM. In the process of downstream finetu
 
 On XFUND_zh dataset, the algorithm reproduction Hmean is as follows.
 
-|Model|Backbone|Task |Cnnfig|Hmean|Download link|
+|Model|Backbone|Task |Config|Hmean|Download link|
 | --- | --- |---| --- | --- | --- |
 |VI-LayoutXLM |VI-LayoutXLM-base | SER |[ser_vi_layoutxlm_xfund_zh_udml.yml](../../configs/kie/vi_layoutxlm/ser_vi_layoutxlm_xfund_zh_udml.yml)|93.19%|[trained model](https://paddleocr.bj.bcebos.com/ppstructure/models/vi_layoutxlm/ser_vi_layoutxlm_xfund_pretrained.tar)/[inference model](https://paddleocr.bj.bcebos.com/ppstructure/models/vi_layoutxlm/ser_vi_layoutxlm_xfund_infer.tar)|
 |VI-LayoutXLM |VI-LayoutXLM-base |RE | [re_vi_layoutxlm_xfund_zh_udml.yml](../../configs/kie/vi_layoutxlm/re_vi_layoutxlm_xfund_zh_udml.yml)|83.92%|[trained model](https://paddleocr.bj.bcebos.com/ppstructure/models/vi_layoutxlm/re_vi_layoutxlm_xfund_pretrained.tar)/[inference model](https://paddleocr.bj.bcebos.com/ppstructure/models/vi_layoutxlm/re_vi_layoutxlm_xfund_infer.tar)|
 
 
+## 2. Environment
+
 Please refer to ["Environment Preparation"](./environment_en.md) to configure the PaddleOCR environment, and refer to ["Project Clone"](./clone_en.md) to clone the project code.
 
 
 ## 3. Model Training / Evaluation / Prediction
 
-Please refer to [KIE tutorial](./kie_en.md)。PaddleOCR has modularized the code structure, so that you only need to **replace the configuration file** to train different models.
+Please refer to [KIE tutorial](./kie_en.md). PaddleOCR has modularized the code structure, so that you only need to **replace the configuration file** to train different models.
 
 
 ## 4. Inference and Deployment