diff --git a/arkindex/project/default_corpus.py b/arkindex/project/default_corpus.py
index daade45b368879630ded0b1e1aa73fa35ff8f1cc..0f47677f99a4504406e4f837eb426addc5397b39 100644
--- a/arkindex/project/default_corpus.py
+++ b/arkindex/project/default_corpus.py
@@ -2,6 +2,7 @@
 from arkindex_common.enums import TranscriptionType
 
 
+# If you edit default types, please update 'DEFAULT_CORPUS_ATTRS' config value in the frontend (at js/config.js)
 DEFAULT_CORPUS_TYPES = [
     {
         'slug': 'folder',