diff --git a/README.md b/README.md
index 23bd2ac..efbd168 100644
--- a/README.md
+++ b/README.md
@@ -35,13 +35,13 @@ Also available as a docker image:
 To run using a HSD running directly on the host:
 
 ```bash
-sudo docker run --network=host -e hsd_api=yourapikeyhere git.woodburn.au/nathanwoodburn/firewallet:latest
+sudo docker run --network=host -e HSD_API=yourapikeyhere git.woodburn.au/nathanwoodburn/firewallet:latest
 ```
 
 If you have HSD running on a different IP/container
 
 ```bash
-sudo docker run -p 5000:5000 -e hsd_api=yourapikeyhere -e hsd_ip=hsdcontainer git.woodburn.au/nathanwoodburn/firewallet:latest
+sudo docker run -p 5000:5000 -e HSD_API=yourapikeyhere -e HSD_IP=hsdcontainer git.woodburn.au/nathanwoodburn/firewallet:latest
 ```
 
 For Docker you can mount a volume to persist the user data (/app/user_data)
@@ -115,11 +115,11 @@ Auction page
 ## Environment variables
 
 ```yaml
-hsd_api: HSD API key
-hsd_ip: HSD IP address
-theme: Theme to use (dark-purple, black)
-show_expired: Show expired domains (true/false)
-exclude: Comma separated list of wallets to exclude from the wallet list
+HSD_API: HSD API key
+HSD_IP: HSD IP address
+THEME: Theme to use (dark-purple, black)
+SHOW_EXPIRED: Show expired domains (true/false)
+EXCLUDE: Comma separated list of wallets to exclude from the wallet list
 ```
 
 
diff --git a/account.py b/account.py
index 26c6d75..4143419 100644
--- a/account.py
+++ b/account.py
@@ -10,12 +10,12 @@ import time
 
 dotenv.load_dotenv()
 
-HSD_API = os.getenv("hsd_api")
-HSD_IP = os.getenv("hsd_ip")
+HSD_API = os.getenv("HSD_API")
+HSD_IP = os.getenv("HSD_IP")
 if HSD_IP is None:
     HSD_IP = "localhost"
 
-HSD_NETWORK = os.getenv("hsd_network")
+HSD_NETWORK = os.getenv("HSD_NETWORK")
 HSD_WALLET_PORT = 12039
 HSD_NODE_PORT = 12037
 
@@ -35,9 +35,9 @@ elif HSD_NETWORK == "regtest":
     HSD_NODE_PORT = 14037
 
 
-show_expired = os.getenv("show_expired")
-if show_expired is None:
-    show_expired = False
+SHOW_EXPIRED = os.getenv("SHOW_EXPIRED")
+if SHOW_EXPIRED is None:
+    SHOW_EXPIRED = False
 
 hsd = api.hsd(HSD_API,HSD_IP,HSD_NODE_PORT)
 hsw = api.hsw(HSD_API,HSD_IP,HSD_WALLET_PORT)
@@ -47,9 +47,9 @@ cacheTime = 3600
 # Verify the connection
 response = hsd.getInfo()
 
-exclude = ["primary"]
+EXCLUDE = ["primary"]
 if os.getenv("exclude") is not None:
-    exclude = os.getenv("exclude").split(",")
+    EXCLUDE = os.getenv("EXCLUDE").split(",")
 
 def hsdConnected():
     if hsdVersion() == -1:
@@ -163,7 +163,7 @@ def listWallets():
     # Check if response is json or an array
     if isinstance(response, list):
         # Remove excluded wallets
-        response = [wallet for wallet in response if wallet not in exclude]
+        response = [wallet for wallet in response if wallet not in EXCLUDE]
 
         return response
     return ['Wallet not connected']
@@ -244,7 +244,7 @@ def getDomains(account,own=True):
         response = requests.get(f"http://x:{HSD_API}@{HSD_IP}:{HSD_WALLET_PORT}/wallet/{account}/name")
     info = response.json()
 
-    if show_expired:
+    if SHOW_EXPIRED:
         return info
     
     # Remove any expired domains
@@ -476,7 +476,6 @@ def getDNS(domain: str):
         return []
     return response['result']['records']
 
-
 def setDNS(account,domain,records):
     account_name = check_account(account)
     password = ":".join(account.split(":")[1:])
diff --git a/example.env b/example.env
index 96a6a46..6ceaef9 100644
--- a/example.env
+++ b/example.env
@@ -1,4 +1,5 @@
-hsd_api=123480615465636893475aCwyaae6s45
-hsd_ip=localhost
-theme=black
-show_expired=false
\ No newline at end of file
+HSD_API=123480615465636893475aCwyaae6s45
+HSD_IP=localhost
+THEME=black
+SHOW_EXPIRED=false
+EXPLORER_TX=https://niami.io/tx/
\ No newline at end of file