fixed link

Author: cmaglie

RFCs/0002-pluggable-discovery.md

@@ -226,7 +226,7 @@ The content is straightforward, in this case only the `address` and `protocol` f
 If the information about a port needs to be updated the discovery may send a new `add` message for the same port address and protocol without sending a `remove` first: this means that all the previous information about the port must be discarded and replaced with the new one.
 
 A demo tool is available here:
-[https://github.com/arduino/serial-discovery](https://github.com/arduino/serial-discovery#example-of-usage)
+https://github.com/arduino/serial-discovery
 
 A typical usage scenario is here:
 https://github.com/arduino/serial-discovery#example-of-usage