docs: update kad-dht api docs link (#3195)

Fixes link location

---------

Co-authored-by: Alex Potsides <alex@achingbrain.net>

Author: VolodymyrBg

packages/kad-dht/README.md

@@ -170,7 +170,7 @@ Loading this module through a script tag will make its exports available as `Lib
 
 # API Docs
 
-- <https://libp2p.github.io/js-libp2p/modules/_libp2p_kad_dht.html>
+- <https://libp2p.github.io/js-libp2p/modules/_libp2p_kad-dht.html/>
 
 # License