diff --git a/handler/revolut.py b/handler/revolut.py
index 159f056..6a915b3 100644
--- a/handler/revolut.py
+++ b/handler/revolut.py
@@ -19,6 +19,10 @@ class Revolut(object):
     """
 
     def __init__(self):
+        """
+        Initialise the Revolut object.
+        Set the logger and token.
+        """
         self.log = Logger("revolut")
         self.token = None
 
@@ -26,10 +30,16 @@ class Revolut(object):
         self.irc = irc
 
     def setup_auth(self):
+        """
+        Function to create a new Java Web Token and use it to get a refresh/access token.
+        """
         self.create_new_jwt()
         self.get_access_token()
 
     def create_new_jwt(self):
+        """
+        Create a new Java Web Token.
+        """
         payload = {
             "iss": settings.Revolut.Domain,
             "sub": settings.Revolut.ClientID,
@@ -46,6 +56,11 @@ class Revolut(object):
         settings.write()
 
     def get_access_token(self):
+        """
+        Get an access token with our JWT.
+        :return: True or False
+        :rtype: bool
+        """
         headers = {"Content-Type": "application/x-www-form-urlencoded"}
         data = {
             "grant_type": "authorization_code",
@@ -76,6 +91,13 @@ class Revolut(object):
             return False
 
     def get_new_token(self, fail=False):
+        """
+        Get a new access token with the refresh token.
+        :param fail: whether to exit() if this fails
+        :type fail: bool
+        :return: True or False
+        :rtype: bool
+        """
         headers = {"Content-Type": "application/x-www-form-urlencoded"}
         data = {
             "grant_type": "refresh_token",
@@ -108,10 +130,16 @@ class Revolut(object):
             return False
 
     def setup_webhook(self):
-        webhooks = self.get_webhooks()
-        if "url" in webhooks.keys():
-            if webhooks["url"] == settings.Revolut.WebhookURL:
-                self.log.info("Webhook exists - skipping setup: {url}", url=webhooks["url"])
+        """
+        Check the webhook we have set up in Revolut.
+        Set up configured webhook if not already set up.
+        :return: True or False
+        :rtype: bool
+        """
+        webhook = self.get_webhook()
+        if "url" in webhook.keys():
+            if webhook["url"] == settings.Revolut.WebhookURL:
+                self.log.info("Webhook exists - skipping setup: {url}", url=webhook["url"])
                 return True  # Webhook already exists
         self.log.info("Setting up webhook: {url}", url=settings.Revolut.WebhookURL)
         headers = {"Authorization": f"Bearer {self.token}"}
@@ -123,8 +151,14 @@ class Revolut(object):
         else:
             parsed = r.json()
             self.log.info("Failed setting up webhook: {parsed}", parsed=parsed)
+            return False
 
-    def get_webhooks(self):
+    def get_webhook(self):
+        """
+        Get the webhook address active in Revolut.
+        :return: dict of hook with key url or False
+        :rtype: dict or bool
+        """
         headers = {"Authorization": f"Bearer {self.token}"}
         r = requests.get(f"{settings.Revolut.Base}/webhook", headers=headers)
         if r.status_code == 200:
@@ -133,5 +167,5 @@ class Revolut(object):
         elif r.status_code == 404:
             return {}
         else:
-            self.log.error("Cannot get webhooks: {content}", r.content)
+            self.log.error("Cannot get webhook: {content}", r.content)
             return False