diff --git a/README.md b/README.md
index 1c16097..5e2537e 100644
--- a/README.md
+++ b/README.md
@@ -2,12 +2,16 @@
 
 Tor Router allow you to use TOR as a transparent proxy and send all your trafic under TOR **INCLUDING DNS REQUESTS**, the only that you need is: a system using systemd (if you want to use the service) and tor.
 
+TOR router doesn't touch system files as the rest of tools for routing  your taffic does and the reason  is: there isn't needed to move files for routing traffic, also moving files is a bad idea since that a fail in the script/tool can break your system connection without you knowing what has happened.
+
 # Script to install on distros using SystemD only
 
 If you are using BlackArch Linux (https://blackarch.org) you can install the script from the repos using the following command: `# pacman -S tor-router`
 
 To install from source:
 
+**Note that you need BASH, not sh**
+
 ```
 ~$ git clone https://gitlab.com/edu4rdshl/tor-router.git && cd ./tor-router && sudo bash install.sh
 ```
@@ -56,4 +60,4 @@ After of run the script, follow the next steps to ensure that all is working as
 
 # Distros using the script
 
-BlackArch Linux: https://github.com/BlackArch/blackarch/blob/master/packages/tor-router
\ No newline at end of file
+BlackArch Linux: https://github.com/BlackArch/blackarch/blob/master/packages/tor-router