diff --git a/src/things/abstract/thing-with-categories.ts b/src/things/abstract/thing-with-categories.ts
index 3c6537f9..c11ff996 100644
--- a/src/things/abstract/thing-with-categories.ts
+++ b/src/things/abstract/thing-with-categories.ts
@@ -62,6 +62,12 @@ export interface SCThingWithCategories<T, U extends SCThingWithCategoriesSpecifi
  */
 export interface SCThingWithCategoriesTranslatableProperties
   extends SCThingTranslatableProperties {
+  /**
+   * translations of the categories of a thing with categories
+   *
+   * @sortable ducet
+   */
+  categories?: string[];
 }
 
 /**
@@ -94,6 +100,7 @@ export interface SCThingWithCategoriesSpecificValues {
   /**
    * Category specific name of a thing
    *
+   * @sortable ducet
    * @text
    */
   name?: string;
diff --git a/src/things/abstract/thing.ts b/src/things/abstract/thing.ts
index 793aee14..408d527d 100644
--- a/src/things/abstract/thing.ts
+++ b/src/things/abstract/thing.ts
@@ -223,6 +223,7 @@ export interface SCThingTranslatableProperties {
   /**
    * Translation of the name of the thing
    *
+   * @sortable ducet
    * @text
    */
   name?: string;