diff --git a/types.json b/types.json
index 73a6228..db2b90a 100644
--- a/types.json
+++ b/types.json
@@ -6,6 +6,7 @@
     "previous": "text",
     "location": "multitext",
     "orgs": "multitext",
-    "related": "multitext"
+    "related": "multitext",
+    "categories": "multitext"
   }
 }
\ No newline at end of file