Merge pull request #6128 from ozhuang/patch-1

Fixed proxy protocol link

docs/user-guide/exposing-tcp-udp-services.md

@@ -4,7 +4,7 @@ Ingress does not support TCP or UDP services. For this reason this Ingress contr
 `<namespace/service name>:<service port>:[PROXY]:[PROXY]`
 
 It is also possible to use a number or the name of the port. The two last fields are optional.
-Adding `PROXY` in either or both of the two last fields we can use Proxy Protocol decoding (listen) and/or encoding (proxy_pass) in a TCP service https://www.nginx.com/resources/admin-guide/proxy-protocol
+Adding `PROXY` in either or both of the two last fields we can use [Proxy Protocol](https://www.nginx.com/resources/admin-guide/proxy-protocol) decoding (listen) and/or encoding (proxy_pass) in a TCP service 
 
 The next example shows how to expose the service `example-go` running in the namespace `default` in the port `8080` using the port `9000`