Fix docs (#3530)

docs/pipeline_deploy/serving.en.md

@@ -266,7 +266,9 @@ Select the pipeline you wish to deploy and click "获取" (acquire). Afterwards,
 
 ### 2.3 Adjust Configurations
 
-The PaddleX high-stability serving solution is built on NVIDIA Triton Inference Server, allowing users to modify the configuration files of Triton Inference Server.
+The `server/pipeline_config.yaml` file of the the high-stability serving SDK is the pipeline configuration file. Users can modify this file to set the model directory to use, etc.
+
+In addition, the PaddleX high-stability serving solution is built on NVIDIA Triton Inference Server, allowing users to modify the configuration files of Triton Inference Server.
 
 In the `server/model_repo/{endpoint name}` directory of the high-stability serving SDK, you can find one or more `config*.pbtxt` files. If a `config_{device type}.pbtxt` file exists in the directory, please modify the configuration file corresponding to the desired device type. Otherwise, please modify `config.pbtxt`.
 

docs/pipeline_deploy/serving.md

@@ -267,7 +267,9 @@ paddlex --serve --pipeline image_classification --use_hpip
 
 ### 2.3 调整配置
 
-PaddleX 高稳定性服务化部署方案基于 NVIDIA Triton Inference Server 打造，支持用户修改 Triton Inference Server 的配置文件。
+高稳定性服务化部署 SDK 的 `server/pipeline_config.yaml` 文件为产线配置文件。用户可以修改该文件以设置要使用的模型目录等。
+
+此外，PaddleX 高稳定性服务化部署方案基于 NVIDIA Triton Inference Server 打造，支持用户修改 Triton Inference Server 的配置文件。
 
 在高稳定性服务化部署 SDK 的 `server/model_repo/{端点名称}` 目录中，可以找到一个或多个 `config*.pbtxt` 文件。如果目录中存在 `config_{设备类型}.pbtxt` 文件，请修改期望使用的设备类型对应的配置文件；否则，请修改 `config.pbtxt`。