diff --git a/src/main/webapp/definitions/alfresco-core.yaml b/src/main/webapp/definitions/alfresco-core.yaml
index d718c159..30a9d735 100755
--- a/src/main/webapp/definitions/alfresco-core.yaml
+++ b/src/main/webapp/definitions/alfresco-core.yaml
@@ -1238,6 +1238,8 @@ paths:
         Also, as requesting rendition is a background process,
         any rendition failure (e.g. No transformer is currently available) will not fail the whole upload and has the potential to silently fail.
 
+        You can use the **aspectNames** field to add custom aspects.
+
         Use **overwrite** to overwrite an existing file, matched by name. If the file is versionable,
         the existing content is replaced.