docs: fix typo in changelog-v0.16.0.md

Author: Jorropo

docs/changelogs/v0.16.md

@@ -27,7 +27,7 @@ Now, we allow to configure several routers working together, so you can have sev
 
 Example configuration usage using the [Filecoin Network Indexer](https://docs.cid.contact/filecoin-network-indexer/overview) and the DHT, making first a query to the indexer, and timing out after 3 seconds.
 
-```
+```console
 $ ipfs config Routing.Type --json '"custom"'
 
 $ ipfs config Routing.Routers.CidContact --json '{
@@ -65,7 +65,7 @@ $ ipfs config Routing.Routers.ParallelHelper --json '{
   }
 }'
 
-ipfs config Routing.Methods --json '{
+$ ipfs config Routing.Methods --json '{
       "find-peers": {
         "RouterName": "ParallelHelper"
       },
@@ -91,4 +91,4 @@ ipfs config Routing.Methods --json '{
 
 ### Contributors
 
-<!-- TODO -->
+<!-- TODO -->