Fix link

Author: aldur

stacks-signer/src/lib.rs

@@ -121,7 +121,7 @@ impl<S: Signer<T> + Send + 'static, T: SignerEventTrait + 'static> SpawnedSigner
             as this could potentially expose sensitive data or functionalities to security risks \
             if additional proper security checks are not integrated in place. \
             For more information, check the documentation at \
-            https://docs.stacks.co/nakamoto-upgrade/signing-and-stacking/faq#what-should-the-networking-setup-for-my-signer-look-like."
+            https://docs.stacks.co/guides-and-tutorials/running-a-signer#preflight-setup"
         );
         let (res_send, res_recv) = channel();
         let ev = SignerEventReceiver::new(config.network.is_mainnet());