update quickstart doc

doc/doc_ch/quickstart.md

@@ -108,7 +108,7 @@ cd /path/to/ppocr_img
 
 #### 2.1.2 多语言模型
 
-PaddleOCR目前支持80个语种，可以通过修改`--lang`参数进行切换，对于英文模型，指定`--lang=en`, PP-OCRv3目前只支持中文和英文模型，其他多语言模型会陆续更新。
+PaddleOCR目前支持80个语种，可以通过修改`--lang`参数进行切换，对于英文模型，指定`--lang=en`。
 
 ``` bash
 paddleocr --image_dir ./imgs_en/254.jpg --lang=en

doc/doc_en/quickstart_en.md

@@ -124,7 +124,7 @@ If you need to use the 2.0 model, please specify the parameter `--ocr_version PP
 
 #### 2.1.2 Multi-language Model
 
-PaddleOCR currently supports 80 languages, which can be switched by modifying the `--lang` parameter. PP-OCRv3 currently only supports Chinese and English models, and other multilingual models will be updated one after another.
+PaddleOCR currently supports 80 languages, which can be switched by modifying the `--lang` parameter.
 
 ``` bash
 paddleocr --image_dir ./doc/imgs_en/254.jpg --lang=en