diff -u b/config/schema/config_readonly.schema.yml b/config/schema/config_readonly.schema.yml
--- b/config/schema/config_readonly.schema.yml
+++ b/config/schema/config_readonly.schema.yml
@@ -3,16 +3,14 @@
-    mapping:
+  label: 'Config Readonly exceptions'
+  mapping:
     exceptions_type:
       type: string
       label: 'Exceptions type'
     exceptions:
-      type: config_readonly_config_readonly_exceptions
+      type: sequence
+      label: 'Exceptions'
+      sequence:
+        type: string
+        label: 'Exception'
     config_ignore_path:
       type: string
       label: 'Config ignore path'
-
-config_readonly_config_readonly_exceptions:
-  type: sequence
-  label: 'Exceptions'
-  sequence:
-    type: string
-    label: 'Exception'