Update docs/building-a-node-with-ldk/setting-up-a-peer-manager.md

Co-authored-by: Elias Rohrer <dev@tnull.de>

Author: ConorOkus

docs/building-a-node-with-ldk/setting-up-a-peer-manager.md

@@ -4,7 +4,7 @@ The `PeerManager` is responsible for managing a set of peer connections and data
 
 ## Adding a `PeerManager`
 
-To add a PeerManager to your application, run:
+To add a `PeerManager` to your application, run:
 
 <CodeSwitcher :languages="{rust:'Rust', kotlin:'Kotlin', swift:'Swift'}">
   <template v-slot:rust>