From 7be49dd3efa351f34246cedf41057c0d2e05736b Mon Sep 17 00:00:00 2001
From: Marcel Klehr <mklehr@gmx.net>
Date: Mon, 24 Jul 2023 15:34:14 +0200
Subject: [PATCH] Update developer_manual/digging_deeper/text_processing.rst

Co-authored-by: Julien Veyssier <julien-nc@posteo.net>
Signed-off-by: Marcel Klehr <mklehr@gmx.net>
---
 developer_manual/digging_deeper/text_processing.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/developer_manual/digging_deeper/text_processing.rst b/developer_manual/digging_deeper/text_processing.rst
index 9f8f8f369..88ea9b2f3 100644
--- a/developer_manual/digging_deeper/text_processing.rst
+++ b/developer_manual/digging_deeper/text_processing.rst
@@ -110,7 +110,7 @@ The corresponding ``MyPromptResultListener`` class can look like:
                 // store $output somewhere
             }
 
-            if ($event instanceof TaskSuccessfulEvent) {
+            if ($event instanceof TaskFailedEvent) {
                 $error = $event->getErrorMessage()
                 $userId = $event->getTask()->getUserId()
                 // Notify relevant user about failure