diff --git a/internal/telegram/generate.go b/internal/telegram/generate.go
index 4893cdc..2bf3aa5 100644
--- a/internal/telegram/generate.go
+++ b/internal/telegram/generate.go
@@ -121,13 +121,13 @@ func (bot *TipBot) generateDalleImages(event Event) {
 		return
 	}
 	bot.trySendMessage(user.Telegram, "🔄 Your images are being generated. Please wait a few moments.")
-	var job = func(worker int) {
+	var job = func(workerId int) {
 		// create the client with the bearer token api key
 		dalleClient, err := dalle.NewHTTPClient(internal.Configuration.Generate.DalleKey)
 		// handle err
 		if err != nil {
-			log.Errorf("[NewHTTPClient-%d] %v", worker, err.Error())
-			bot.dalleRefundUser(user)
+			log.Errorf("[NewHTTPClient-%d] %v", workerId, err.Error())
+			bot.dalleRefundUser(user,"")
 			return
 		}
 
@@ -136,8 +136,8 @@ func (bot *TipBot) generateDalleImages(event Event) {
 		// generate a task to create an image with a prompt
 		task, err := dalleClient.Generate(ctx, invoiceEvent.CallbackData)
 		if err != nil {
-			log.Errorf("[Generate-%d] %v", worker, err.Error())
-			bot.dalleRefundUser(user)
+			log.Errorf("[Generate-%d] %v", workerId, err.Error())
+			bot.dalleRefundUser(user,"")
 			return
 		}
 		// poll the task.ID until status is succeeded
@@ -148,13 +148,13 @@ func (bot *TipBot) generateDalleImages(event Event) {
 		for {
 			select {
 			case <-ctx.Done():
-				bot.dalleRefundUser(user)
-				log.Errorf("[DALLE-%d] ctx done", worker)
+				bot.dalleRefundUser(user,"")
+				log.Errorf("[DALLE-%d] ctx done", workerId)
 				return
 			// Got a timeout! fail with a timeout error
 			case <-timeout:
-				bot.dalleRefundUser(user)
-				log.Errorf("[DALLE-%d] timeout", worker)
+				bot.dalleRefundUser(user,"Timeout. Please try again later.")
+				log.Errorf("[DALLE-%d] timeout", workerId)
 				return
 			// Got a tick, we should check on checkSomething()
 			case <-ticker:
@@ -162,7 +162,7 @@ func (bot *TipBot) generateDalleImages(event Event) {
 				// handle err
 				if err != nil {
 					log.Errorf("[GetTask] %v", err.Error())
-					bot.dalleRefundUser(user)
+					bot.dalleRefundUser(user,"")
 					return
 				}
 				if t.Status == dalle.StatusSucceeded {
@@ -177,8 +177,8 @@ func (bot *TipBot) generateDalleImages(event Event) {
 					return
 
 				} else if t.Status == dalle.StatusRejected {
-					log.Errorf("[DALLE-%d] rejected: %s", worker, t.ID)
-					bot.dalleRefundUser(user)
+					log.Errorf("[DALLE-%d] rejected: %s", workerId, t.ID)
+					bot.dalleRefundUser(user,"Your prompt has been rejected by OpenAI. Do not use celebrity names, sexual expressions, or any other harmful content as prompt.")
 					return
 				}
 				log.Debugf("[DALLE-%d] pending for user %s", worker, GetUserStr(user.Telegram))
@@ -214,7 +214,7 @@ func (bot *TipBot) downloadAndSendImages(ctx context.Context, dalleClient dalle.
 	return nil
 }
 
-func (bot *TipBot) dalleRefundUser(user *lnbits.User) error {
+func (bot *TipBot) dalleRefundUser(user *lnbits.User, message string) error {
 	if user.Wallet == nil {
 		return fmt.Errorf("user has no wallet")
 	}
@@ -228,7 +228,7 @@ func (bot *TipBot) dalleRefundUser(user *lnbits.User) error {
 		lnbits.InvoiceParams{
 			Out:     false,
 			Amount:  int64(internal.Configuration.Generate.DallePrice),
-			Memo:    "Refund for /generate",
+			Memo:    fmt.Sprintf("Refund DALLE2 %s", GetUserStr(user.Telegram)),
 			Webhook: internal.Configuration.Lnbits.WebhookServer},
 		bot.Client)
 	if err != nil {
@@ -242,6 +242,13 @@ func (bot *TipBot) dalleRefundUser(user *lnbits.User) error {
 		return err
 	}
 	log.Warnf("[DALLE] refunding user %s with %d sat", GetUserStr(user.Telegram), internal.Configuration.Generate.DallePrice)
-	bot.trySendMessage(user.Telegram, "🚫 Something went wrong. You have been refunded.")
+
+	var err_reason string
+	if len(message) > 0 {
+		err_reason = message
+	} else {
+		err_reason = "Something went wrong."
+	}
+	bot.trySendMessage(user.Telegram, fmt.Sprintf("🚫 %s You have been refunded.", err_reason))
 	return nil
 }