diff --git a/setup/ubuntu_rpi_setup/readme.md b/setup/ubuntu_rpi_setup/readme.md
index c51913e0f..564b08976 100644
--- a/setup/ubuntu_rpi_setup/readme.md
+++ b/setup/ubuntu_rpi_setup/readme.md
@@ -1,3 +1,4 @@
+# old release 복구 방법
 
 ## ubuntu version update (if you have old version Ubuntu which has error on apt-get update, apt update)