diff --git a/config/retriex/agent.yaml b/config/retriex/agent.yaml
index e022523..77ccd69 100644
--- a/config/retriex/agent.yaml
+++ b/config/retriex/agent.yaml
@@ -14,7 +14,7 @@ parameters:
       max_output_chars: 700
       max_added_tokens: 2
       max_length_ratio_percent: 150
-      heartbeat_message: 'Ich prüfe die Eingabe…'
+      heartbeat_message: 'Ich optimiere die Anfrage…'
       output_prefix_pattern: '/^(?:normalisiert|korrigiert|corrected|normalized)\s*:\s*/iu'
       skip_patterns:
         - '/https?:\/\//iu'