diff --git a/insee.js b/insee.js
index 1525435..311541c 100644
--- a/insee.js
+++ b/insee.js
@@ -6,6 +6,7 @@ const precision = {
 	arrondissement: 'ARR',
 }
 
+// PS: these api keys have all been deleted
 const API_KEYS = [
 	"7f113b8e-b1ca-36c0-ae0b-4f038f941241", // original app
 	"aaaf836f-0cc9-3b6e-9f43-11c7c277ba38", // app 2