diff --git a/README.md b/README.md
index 13fe480..2fba637 100644
--- a/README.md
+++ b/README.md
@@ -181,7 +181,7 @@ Users will be able to add credit to their wallet, place orders and contact you i
 
 ## Documentation and help
 
-If you find a bug, have an idea for a new feature or just require help with `greed`, please [post an issue](https://github.com/Steffo99/greed/issues/new) on GitHub, or, if GitHub is blocked in your country, join [the Telegram group](https://t.me/greed_project) and send a message there.
+If you find a bug, have an idea for a new feature or just require help with `greed`, please [post an issue](https://github.com/Steffo99/greed/issues/new) or [open a discussion](https://github.com/Steffo99/greed/discussions/new) on GitHub, or, if GitHub is blocked in your country, send me an email at [ste.pigozzi@gmail.com](mailto:ste.pigozzi@gmail.com)!
 
 If you can read Italian, you can try to read the [paper](https://docs.google.com/document/d/1f4MKVr0B7RSQfWTSa_6ZO0LM4nPpky_GX_qdls3EHtQ/edit?usp=sharing) I wrote about greed for my final High School exam.
 
diff --git a/core.py b/core.py
index 981b9cc..ecacbcd 100644
--- a/core.py
+++ b/core.py
@@ -88,9 +88,8 @@ def main():
 
     # Test the specified token
     log.debug("Testing bot token...")
-    try:
-        me = bot.get_me()
-    except telegram.error.Unauthorized:
+    me = bot.get_me()
+    if me is None:
         logging.fatal("The token you have entered in the config file is invalid. Fix it, then restart greed.")
         sys.exit(1)
     log.debug("Bot token is valid!")
diff --git a/worker.py b/worker.py
index 6d7f483..524d9ef 100644
--- a/worker.py
+++ b/worker.py
@@ -1814,6 +1814,6 @@ class Worker(threading.Thread):
         # If a restart has been requested...
         # Do nothing.
         # Close the database session
-        self.session.close();
+        self.session.close()
         # End the process
         sys.exit(0)
\ No newline at end of file