diff --git a/transport/internet/browser_dialer/manager.go b/transport/internet/browser_dialer/manager.go
index 02d14815..1000d77a 100644
--- a/transport/internet/browser_dialer/manager.go
+++ b/transport/internet/browser_dialer/manager.go
@@ -109,6 +109,7 @@ func ConfigureCollectedDialerProxyURLs() error {
 
 // StartCollectedDialerProxyURLs starts listeners for browser dialer URLs
 // prepared by ConfigureCollectedDialerProxyURLs.
+// Subsequent calls after successful initialization return nil.
 func StartCollectedDialerProxyURLs() error {
 	if initialized {
 		return nil