diff --git a/api/services/webhook_service.py b/api/services/webhook_service.py
index e0f09993d3..5745091e87 100644
--- a/api/services/webhook_service.py
+++ b/api/services/webhook_service.py
@@ -687,6 +687,10 @@ class WebhookService:
 
     @classmethod
     def generate_webhook_id(cls) -> str:
-        """Generate unique 24-character webhook ID"""
+        """
+        Generate unique 24-character webhook ID
+
+        Deduplication is not needed, DB already has unique constraint on webhook_id.
+        """
         # Generate 24-character random string
         return secrets.token_urlsafe(18)[:24]  # token_urlsafe gives base64url, take first 24 chars