diff --git a/README.md b/README.md
index b9f7b0c..6036282 100644
--- a/README.md
+++ b/README.md
@@ -4,4 +4,4 @@ Useful things for Linux Server Administrations and Maintenance
 # Ubuntu_mates.sh
 - Change ubuntu APT repository for Korean
 - Install essential pakages (nnn, ncdu, zsh, rsync, git, vim)
-- Install oh my zsh for default environment.
+- Install oh my zsh for default shell environment.