diff --git a/.env b/.env
index 819b4051..c3047023 100644
--- a/.env
+++ b/.env
@@ -32,6 +32,7 @@ INITMODEL_ENABLED=false
 CONFIG_DIR_PATH=./configs
 
 # Instill Core instance host
+# Please set the IP address of your host machine.
 INSTILL_CORE_HOST=localhost
 
 # container build