Add a link to the leader election guide in the lock API docs

website/source/api/kv.html.md

@@ -190,6 +190,9 @@ The table below shows this endpoint's support for
   that does not include the acquire parameter will proceed normally even if another
   session has locked the key.**
 
+    For an example of how to use the lock feature, see the [Leader Election Guide]
+    (/docs/guides/leader-election.html).
+
 - `release` `(string: "")` - Specifies to use a lock release operation. This is
   useful when paired with `?acquire=` as it allows clients to yield a lock. This
   will leave the `LockIndex` unmodified but will clear the associated `Session`