update comments

Author: jepenven-silabs

src/app/server/Dnssd.cpp

@@ -489,7 +489,7 @@ void DnssdServer::StartServer(Dnssd::CommissioningMode mode)
 
     if(Dnssd::ServiceAdvertiser::Instance().Init(chip::DeviceLayer::UDPEndPointManager()) != CHIP_NO_ERROR)
     {
-        // No need to do anything if init failed
+        // No need to do anything if init failed device is probably not commissionned/not on network
         ChipLogError(Discovery, "Failed to initialize advertiser");
         return;
     }