Fixed non-relative URLs, and some grammar (#554)

docs/en/config/routing.md

@@ -4,7 +4,7 @@ The routing module can send inbound data through different outbound connections
 
 A common use case is to split domestic and foreign traffic. Xray can use its internal mechanisms to determine the traffic from different regions and then send them to different outbound proxies.
 
-For a more detailed analysis of the routing function, please refer to [Routing Function Analysis](https://xtls.github.io/document/level-1/routing-lv1-part1.html).
+For a more detailed analysis of the routing function, please refer to [Routing Function Analysis](../document/level-1/routing-lv1-part1.md).
 
 ## RoutingObject
 

docs/en/document/README.md

@@ -10,7 +10,7 @@ sidebar: auto
 
 Xray supports various platforms, and you can get various versions of Xray from various sources and methods.
 
-Please click [How to Download and Install Xray](./install.md) to get Xray
+Please click [How to Download and Install Xray](./install.md) to get Xray.
 
 ## Configure and Run
 
@@ -26,15 +26,15 @@ Please click [Command Parameters for Xray](./command.md) to view more commands a
 
 ## Improve Documents
 
-If you're interested, please click [Documents](./document.md) to help us improve the documents, or click the`Help us improve this page!`
+If you're interested, please click [Documents](./document.md) to help us improve the documents, or click the `Help us improve this page!`
 
 We are very grateful to every Contributor for their contribution! You guys make Project X even stronger!
 
 ## Beginner Tutorial
 
-A easy tutorial for beginner.
+An easy tutorial for beginner.
 
-Please click [小小白白话文](./level-0/) to view it.
+Please click [Beginner Tutorial](./level-0/) to view it.
 
 ## Getting Started Tips
 

docs/en/document/install.md

@@ -22,7 +22,7 @@ Download the compressed package of the corresponding platform, and use it after
 Xray provides two verification methods:
 
 - SHA1/SHA256 digest of the ZIP archive
-- Reproducible build: Please refer to [Compile Xray](https://xtls.github.io/development/intro/compile.html)
+- Reproducible build: Please refer to [Compile Xray](../development/intro/compile.html)
 
 ## Install on Windows
 

docs/en/document/level-2/nginx_or_haproxy_tls_tunnel.md

@@ -36,7 +36,7 @@ xray_client ---tcp--- nginx_client ---HTTPS--- nginx_sever ---tcp--- xray_server
 
 服务端加入如下配置
 
-服务器申请证书不再赘述，参考[白话文](https://xtls.github.io/document/level-0/ch06-certificates.html)
+服务器申请证书不再赘述，参考[白话文](../level-0/ch06-certificates.md)
 
 ```
 stream {