diff --git a/src/openapi/customers/SE-notifications.yaml b/src/openapi/customers/SE-notifications.yaml
index ffa39c8..1358b4b 100644
--- a/src/openapi/customers/SE-notifications.yaml
+++ b/src/openapi/customers/SE-notifications.yaml
@@ -315,7 +315,7 @@ paths:
                {
                   "type": "https://api.integratielaag.nl/abt/touchpoint/2.0/notifications",                  
                   "title": "Niet gevonden",
-                  "detail": "Notificatiecategory niet gevonden",
+                  "detail": "Notificatiecategorie niet gevonden",
                   "instance": "555d00b5-bc3f-4591-949b-479e76d49ea7",
                   "errors": [   
                     {
diff --git a/src/openapi/customers/se-maileon.yaml b/src/openapi/customers/se-maileon.yaml
index a4a8b4f..5b9b38d 100644
--- a/src/openapi/customers/se-maileon.yaml
+++ b/src/openapi/customers/se-maileon.yaml
@@ -353,7 +353,7 @@ paths:
                 {
                   "type": "https://api.integratielaag.nl/abt/touchpoint/2.0/notifications",                  
                   "title": "Niet gevonden",
-                  "detail": "Notificatiecategory niet gevonden",
+                  "detail": "Notificatiecategorie niet gevonden",
                   "instance": "555d00b5-bc3f-4591-949b-479e76d49ea7",
                   "errors": [   
                     {