diff --git a/.env b/.env
index 356d2749e..2c44c7c48 100644
--- a/.env
+++ b/.env
@@ -4,7 +4,10 @@ PORT = 443
 PROTOCOL = "https"
 NETWORK_ID = 1
 
+# index API
 IP_INDEXER = "indexer-demo.avax.network"
+
+# socket
 PROTOCOL_WS = "ws"
 HOST = "localhost"