mixnode-seup: minor edits

documentation/operators/src/introduction.md

@@ -21,7 +21,13 @@ If you are looking for information on grants and beta-release Nym apps, check ou
 * [Mix nodes](./nodes/mix-node-setup.md)
 * [Gateways](./nodes/gateway-setup.md)
 * [Network requesters](./nodes/network-requester-setup.md)
-<!---* [Validators](./nodes/validator-setup.md)--->
+* [Validators](./nodes/validator-setup.md)
+
+**Troubleshooting and FAQ**
+* [Troubleshooting](./nodes/troubleshooting.md)
+* [FAQ](./faq.md)
+
+<!---dropping these:
 
 **Client setup and usage guides:**
 * [Websocket client](https://nymtech.net/docs/clients/websocket-client.html)
@@ -31,4 +37,4 @@ If you are looking for information on grants and beta-release Nym apps, check ou
 **SDK guides:**
 * [Typescript SDK](https://nymtech.net/docs/sdk/typescript.html)
 * [Rust SDK](https://nymtech.net/docs/sdk/rust.html)
-
+--->

documentation/operators/src/nodes/mix-node-setup.md

@@ -63,7 +63,7 @@ For now, see the below rough specs:
 
 ## Mix node setup
 
-Now that you have built the codebase, set up your wallet, and have a VPS with the `nym-mixnode` binary, you can set up your mix node with the instructions below.
+Now that you have built the [codebase](https://nymtech.net/docs/binaries/building-nym.html), set up your [wallet](https://nymtech.net/docs/wallet/desktop-wallet.html), and have a VPS with the `nym-mixnode` binary, you can set up your mix node with the instructions below.
 
 To begin, move to `/taget/release` directory from which you run the node commands: