diff --git a/http/httphi/router.go b/http/httphi/router.go
index bcb5335..4de5d9e 100644
--- a/http/httphi/router.go
+++ b/http/httphi/router.go
@@ -22,8 +22,8 @@ const reconfigureWait = 10 * time.Millisecond
 var (
 	errNoRequestProto  = errors.New("httphi: request line with no HTTP version")
 	errBadRequestProto = errors.New("httphi: unsupported HTTP version in request line")
-	errBusyExchanges  = errors.New("httphi: exchanges still serving, cannot reuse their buffers")
-	errRouterTornDown = errors.New("httphi: router torn down, configure it before serving")
+	errBusyExchanges   = errors.New("httphi: exchanges still serving, cannot reuse their buffers")
+	errRouterTornDown  = errors.New("httphi: router torn down, configure it before serving")
 
 	errNotFormEncoded            = errors.New("httphi: request body is not application/x-www-form-urlencoded")
 	errNotMultipart              = errors.New("httphi: request body is not multipart/form-data")