diff --git a/README.md b/README.md
index de7dadc..d584326 100644
--- a/README.md
+++ b/README.md
@@ -39,7 +39,7 @@ A step-by-step guide to set up **Verus (VRSC)** cryptocurrency mining on ARM64 s
 ## Compatible Devices
 
 ### Radxa Rock Series
-- Rock 5A (RK3588)
+- Rock 5A (RK3588S)
 - Rock 5B (RK3588)
 - Rock 5C (RK3588S2)
 
@@ -117,6 +117,8 @@ Password: ubuntu
 ```
 You'll be prompted to change the password on first login.
 
+> 🔒 **Security**: Set a strong password and consider disabling SSH password login (`sudo passwd -l ubuntu` after setting up SSH keys) to prevent unauthorized access to your miner.
+
 ### Change Hostname
 ```bash
 sudo nano /etc/hostname
@@ -138,7 +140,7 @@ sudo apt update && sudo apt upgrade -y
 
 ### Install Essential Packages
 ```bash
-sudo apt install lm-sensors nano tmux htop build-essential tree unzip zip net-tools curl wget git -y
+sudo apt install lm-sensors nano screen htop build-essential tree unzip zip net-tools curl wget git -y
 ```
 
 ### Setup Temperature Monitoring
@@ -161,7 +163,7 @@ sudo reboot
 
 ### Install Miner
 ```bash
-curl -o- -k https://raw.githubusercontent.com/Oink70/Android-Mining/main/install.sh | bash
+curl -o- https://raw.githubusercontent.com/Oink70/Android-Mining/main/install.sh | bash
 ```
 
 This installs [Oink70's](https://github.com/Oink70/Android-Mining) optimized ccminer for ARM64.