From b053a646318a519ca166f71e875beeeb134fc4f9 Mon Sep 17 00:00:00 2001
From: Juliusz Chroboczek <jch@irif.fr>
Date: Sat, 25 Apr 2020 16:54:20 +0200
Subject: [PATCH] Clarify error message.

---
 group.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/group.go b/group.go
index 0bf16bd..679d0b1 100644
--- a/group.go
+++ b/group.go
@@ -352,7 +352,7 @@ type userPermission struct {
 func getPermission(desc *groupDescription, user, pass string) (userPermission, error) {
 	var p userPermission
 	if !desc.AllowAnonymous && user == "" {
-		return p, userError("anonymous users not allowed in this group")
+		return p, userError("anonymous users not allowed in this group, please choose a username")
 	}
 	if found, good := matchUser(user, pass, desc.Admin); found {
 		if good {