Merge pull request #4401 from leerspace/docs/config-announce

updating Addresses section

docs/config.md

@@ -24,7 +24,7 @@ Contains information about various listener addresses to be used by this node.
 - `API`
 Multiaddr describing the address to serve the local HTTP API on.
 
-Default: `/ip4/127.0.0.1/tcp/4001`
+Default: `/ip4/127.0.0.1/tcp/5001`
 
 - `Gateway`
 Multiaddr describing the address to serve the local gateway on.
@@ -42,6 +42,16 @@ Default:
 ]
 ```
 
+- `Announce`
+If non-empty, this array specifies the swarm addresses to announce to the network. If empty, the daemon will announce inferred swarm addresses.
+
+Default: `[]`
+
+- `NoAnnounce`
+Array of swarm addresses not to announce to the network.
+
+Default: `[]`
+
 ## `API`
 Contains information used by the API gateway.