Update README.md

x/smart/README.md

@@ -94,7 +94,7 @@ Here is an example of a JSON config:
 
 *   The `tls` field specifies a list of TLS transports to test.
 *   Each TLS transport is a string that specifies the transport to use.
-*   For example, `override:host=cloudflare.net|tlsfrag:1` specifies a transport that uses domain fronting with Cloudflare and TLS fragmentation. The available transports are defined in the `outline-sdk/x/configurl` package.
+*   For example, `override:host=cloudflare.net|tlsfrag:1` specifies a transport that uses domain fronting with Cloudflare and TLS fragmentation. [The available transports are documented here.](https://pkg.go.dev/github.com/Jigsaw-Code/outline-sdk/x/config#hdr-Config_Format)
 
 ### Using the Smart Dialer