diff --git a/README.md b/README.md
index 72aab97..69e186a 100644
--- a/README.md
+++ b/README.md
@@ -18,4 +18,6 @@ These environment variables are supported
 | Variable | Description | Example |
 | --- | --- | --- |
 | DISCORD_WEBHOOK | The URL of your discord webhook | ``https://discord.com/api/webhooks/XXXXXXXXXXXXXX/YYYYYYYYYYYYYYYYYYYYYYYYY`` |
-| SUBS | Your subscribed attractions with ID from wartezeiten.app API | ``"383533, 323530, 353030"`` |
\ No newline at end of file
+| SUBS | Your subscribed attractions with ID from wartezeiten.app API | ``383533,323530,353030`` |
+
+> Required enviromental variables: DISCORD_WEBHOOK, SUBS
\ No newline at end of file
diff --git a/main.py b/main.py
index 2134925..9654dc2 100644
--- a/main.py
+++ b/main.py
@@ -11,7 +11,7 @@ import time
 load_dotenv()
 
 # Global defintions
-subscribedAttractions = ["383533", "383530", "323530", "323030", "353030", "393030"]
+subscribedAttractions = os.getenv('SUBS').split(",")
 currentTimes = {}
 refreshTime = 30
 
@@ -20,6 +20,7 @@ def sendMessage(message):
     webhookUrl = os.getenv('DISCORD_WEBHOOK')
     webhook = DiscordWebhook(url=webhookUrl, content=message)
     response = webhook.execute()
+    return response
 
 # Check for the current waiting times
 def checkTimes(subscribedAttractions):
@@ -48,6 +49,7 @@ def checkTimes(subscribedAttractions):
 
 # Main Loop
 # Checks every 30 seconds for changes in the waiting times of the subscribed attractions
+# If some attractions are closed the check will only be executed every 180 seconds
 if __name__ == '__main__':
     print("EP Waiting Time Alerting Tool")
     print("By Michi von Ah")