diff --git a/README.md b/README.md
index cf8b406..b6a2951 100644
--- a/README.md
+++ b/README.md
@@ -11,12 +11,13 @@ Nathan will then add your IP to the domain which will let you create a certifica
 
 ## Install script
 Contact Nathan.Woodburn/ to get an Auth token.
-Edit the cert.py file and add your Auth token.
+Replace the token file with the token provided (this is case sensitive and must be exact).
 This token is used to get a certificate for the domain.
 
 ```sh
 git clone https://git.woodburn.au/nathanwoodburn/hns_doh_loadbalancer.git
 cd hns_doh_loadbalancer
+echo "TOKEN FROM NATHAN" > token
 sudo ./install.sh
 ```
 
diff --git a/cert.py b/cert.py
index 00362b4..7bd4aab 100644
--- a/cert.py
+++ b/cert.py
@@ -5,10 +5,19 @@ import requests
 import sys
 import time
 
-### EDIT THESE: Configuration values ###
-# CONTACT NATHAN FOR AUTH
-AUTH = "your-auth-here"
-### DO NOT EDIT BELOW THIS POINT ###
+AUTH = ""
+# Check if token file exists
+if os.path.isfile("token"):
+    print("ERROR: Token file not found")
+
+# Read token from file
+with open("token", "r") as fh:
+    AUTH = fh.read().strip()
+
+# Check if token is empty
+if len(AUTH) == 0:
+    print("ERROR: Token is empty")
+    exit(1)
 
 
 
diff --git a/token b/token
new file mode 100644
index 0000000..b8b6bd9
--- /dev/null
+++ b/token
@@ -0,0 +1 @@
+enter-your-token
\ No newline at end of file