diff --git a/install.sh b/install.sh
index e1bd948..e9a461a 100644
--- a/install.sh
+++ b/install.sh
@@ -1,14 +1,18 @@
 #!/usr/bin/bash
 
-echo "[ ipv6 turn off ]"
+print_ylw(){
+  echo -e "\033[33m$1\033[0m"
+}
+
+print_ylw "[ ipv6 turn off ]"
 sysctl -w net.ipv6.conf.all.disable_ipv6=0
 sysctl -w net.ipv6.conf.default.disable_ipv6=0
 sysctl -p
 
-echo "[ sshd_config backup ]"
+print_ylw "[ sshd_config backup ]"
 cat /etc/ssh/sshd_config > /etc/ssh/sshd_config_BUP &&
 
-echo "[ configuring sshd ]"
+print_ylw "[ configuring sshd ]"
 
 cat << EOF > /etc/ssh/sshd_config
 Include /etc/ssh/sshd_config.d/*.conf
@@ -26,14 +30,14 @@ AcceptEnv LANG LC_*
 Subsystem	sftp	/usr/lib/openssh/sftp-server
 EOF
 
-echo "[ appending ssh-keys ]"
+print_ylw "[ appending ssh-keys ]"
 echo "ssh-rsa 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" >> ~/.ssh/authorized_keys
 
-echo "[ restart sshd ]"
+print_ylw "[ restart sshd ]"
 systemctl restart sshd
 
 packages="curl git nmap tcpdump net-tools wireguard tmux mc"
-echo "[ packages installation: $packages ]"
+print_ylw "[ packages installation: $packages ]"
 apt install $packages
 
-echo "[ DONE ]"
\ No newline at end of file
+print_ylw "[ DONE ]"
\ No newline at end of file