diff --git a/src/webrtc-signal/transport.ts b/src/webrtc-signal/transport.ts
index 31cb489718..005724076c 100644
--- a/src/webrtc-signal/transport.ts
+++ b/src/webrtc-signal/transport.ts
@@ -135,6 +135,7 @@ export class WebRTCSignal implements Transport, Startable {
         pubsub.subscribe(WEBRTC_SIGNAL_TOPIC)
         subscribed = true
       } catch (err: any) {
+        // Pubsub may not be started yet
         if ((err as Error).message.includes(ERR_PUBSUB_NOT_STARTED)) {
           // Wait before retrying
           await delay(500)
diff --git a/test/interop.ts b/test/interop.ts
index 4fb8ab43db..0f6d039e46 100644
--- a/test/interop.ts
+++ b/test/interop.ts
@@ -52,6 +52,8 @@ async function createGoPeer (options: SpawnOptions): Promise<Daemon> {
     opts.push(`-id=${options.key}`)
   }
 
+  // Use only the required muxer as js-libp2p nodes run into an error causing the mplex muxer tests to fail
+  // with error "failed to negotiate stream multiplexer: protocols not supported: [/yamux/1.0.0]"
   if (options.muxer != null) {
     opts.push(`-muxer=${options.muxer}`)
   }