diff --git a/README.md b/README.md
index 70440b2..e4d44f8 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@ Well now, you can have this, do that for you! 🎊🎊🎊
 ## Set up
 
 1. Either download or clone this repo
-2. Edit `boot.sh` and change the location on line #5 to the path where your github private key is located.
+2. Run `boot.sh` with location of ssh private key as argument
 3. Copy the path to the `boot.sh` file by
    1. `cd boot-github-shell-win`
    2. Copy output of `pwd`
@@ -19,4 +19,4 @@ Well now, you can have this, do that for you! 🎊🎊🎊
 
 ## Options
 
-You may opt to print details around the execution by calling the script with the `-v` flag like so: `bash boot.sh -v`
\ No newline at end of file
+You may opt to print details around the execution by calling the script with additional flag `-v` like so: `bash boot.sh <private-key-location> -v`
\ No newline at end of file
diff --git a/boot.sh b/boot.sh
old mode 100644
new mode 100755
index 64f3480..898a76f
--- a/boot.sh
+++ b/boot.sh
@@ -1,30 +1,37 @@
+#!/bin/bash
 # Boot up github shell access for Windows WSL/Ubuntu.
 
-#!/bin/bash
+if [ "$#" -lt 1 ]
+then
+echo  "Please insert at least one argument"
+exit
+fi
 
-private_key_location=~/.ssh/github_rsa # Change this location to where your file is located.
+myArray=( "$@" )
+private_key_location=${myArray[0]} 
+verbose=${myArray[1]}
 
-verbose=$1
+if [ ! -e $private_key_location ]; then
+  echo "key $private_key_location not found"
+  exit
+fi
 
 echo 'Starting...'
 
-if [ "$1" = "-v" ]; then
+if [ "$verbose" = "-v" ]; then
   echo 'Booting up ssh-agent...'
 fi
 
-eval `ssh-agent -s`
-# ssh_agent_running=$(ssh-agent -s)
+ssh_agent_running=$(ssh-agent -s)
 
-if [ "$1" = "-v" ]; then
+if [ "$verbose" = "-v" ]; then
 	echo 'ssh-agent started with output:' $ssh_agent_running
   echo 'Adding private key to ssh-agent...'
 fi
 
 ssh_add_result=$(ssh-add $private_key_location)
 
-if [ "$1" = "-v" ]; then
-	echo 'ssh-agent started with output:' $ssh_agent_running
-  echo 'Adding private key to ssh-agent...'
+if [ "$verbose" = "-v" ]; then
   echo 'Command result: '$ssh_add_result
 fi