diff --git a/core.py b/core.py
index 18034b5..5c3e912 100644
--- a/core.py
+++ b/core.py
@@ -51,7 +51,7 @@ def main():
                     old_worker = chat_workers.get(update.message.chat.id)
                     # If it exists, gracefully stop the worker
                     if old_worker:
-                        old_worker.stop()
+                        old_worker.stop("request")
                     # Initialize a new worker for the chat
                     new_worker = worker.ChatWorker(bot, update.message.chat)
                     # Start the worker
diff --git a/strings.py b/strings.py
index d4df8c1..6087071 100644
--- a/strings.py
+++ b/strings.py
@@ -35,7 +35,10 @@ order_format_string = "di {user}\n" \
 
 # Conversation: the start command was sent and the bot should welcome the user
 conversation_after_start = "Ciao!\n" \
-                           "Benvenuto su greed!"
+                           "Benvenuto su greed!\n" \
+                           "Quella che vedi qui è la versione Alpha del software.\n" \
+                           "Pertanto, funzioni potranno essere aggiunte o rimosse in qualsiasi momento," \
+                           " e l'interfaccia utente potrebbe risultare incompleta."
 
 # Conversation: to send an inline keyboard you need to send a message with it
 conversation_open_user_menu = "Cosa vorresti fare?\n" \
@@ -91,7 +94,7 @@ menu_order_status = "🛍 Stato ordini"
 menu_add_credit = "💵 Aggiungi fondi"
 
 # User menu: bot info
-menu_bot_info = "ℹ️ Informazioni sul bot"
+menu_bot_info = "ℹ️ Info sul bot"
 
 # User menu: cash
 menu_cash = "💵 In contanti"
@@ -148,7 +151,7 @@ menu_add_to_cart = "➕ Aggiungi"
 menu_remove_from_cart = "➖ Rimuovi"
 
 # Menu: help menu
-menu_help = "❓ Aiuto, assistenza e informazioni"
+menu_help = "❓ Aiuto e assistenza"
 
 # Menu: guide
 menu_guide = "📖 Guida"
@@ -215,7 +218,10 @@ payment_cc_amount = "Quanti fondi vuoi aggiungere al tuo portafoglio?"
 payment_invoice_title = "Aggiunta di fondi"
 
 # Payment: add funds invoice description
-payment_invoice_description = "Pagando questa ricevuta verranno aggiunti {amount} al portafoglio."
+payment_invoice_description = "Pagando questa ricevuta verranno aggiunti {amount} al portafoglio.\n\n" \
+                              "Visto che sei nella versione Alpha del software, puoi effettuare pagamenti con la " \
+                              "carta di credito di prova `4242 4242 4242 4242`, con qualsiasi CVV e una data di " \
+                              "scadenza valida."
 
 # Payment: label of the labeled price on the invoice
 payment_invoice_label = "Ricarica"
diff --git a/worker.py b/worker.py
index 8d02150..6344fad 100644
--- a/worker.py
+++ b/worker.py
@@ -109,11 +109,11 @@ class ChatWorker(threading.Thread):
             data = self.queue.get(timeout=int(configloader.config["Telegram"]["conversation_timeout"]))
         except queuem.Empty:
             # If the conversation times out, gracefully stop the thread
-            self.__graceful_stop()
+            self.__graceful_stop(StopSignal("timeout"))
         # Check if the data is a stop signal instance
         if isinstance(data, StopSignal):
             # Gracefully stop the process
-            self.__graceful_stop()
+            self.__graceful_stop(data)
         # Return the received update
         return data
 
@@ -490,7 +490,6 @@ class ChatWorker(threading.Thread):
 
     def __add_credit_menu(self):
         """Add more credit to the account."""
-        # TODO: a loop might be needed here
         # Create a payment methods keyboard
         keyboard = list()
         # Add the supported payment methods to the keyboard
@@ -991,10 +990,14 @@ class ChatWorker(threading.Thread):
             self.bot.send_message(self.chat.id, strings.contact_shopkeeper.format(shopkeepers=shopkeepers_string))
         # If the user has selected the Cancel option the function will return immediately
 
-    def __graceful_stop(self):
+    def __graceful_stop(self, stop_trigger: StopSignal):
         """Handle the graceful stop of the thread."""
-        # Notify the user that the session has expired and remove the keyboard
-        self.bot.send_message(self.chat.id, strings.conversation_expired, reply_markup=telegram.ReplyKeyboardRemove())
+        # If the session has expired...
+        if stop_trigger.reason == "timeout":
+            # Notify the user that the session has expired and remove the keyboard
+            self.bot.send_message(self.chat.id, strings.conversation_expired, reply_markup=telegram.ReplyKeyboardRemove())
+        # If a restart has been requested...
+        # Do nothing.
         # Close the database session
         # End the process
         sys.exit(0)