diff --git a/monkey/monkey_island/cc/resources/auth/register.py b/monkey/monkey_island/cc/resources/auth/register.py
index 8f4814858..d3938ec7b 100644
--- a/monkey/monkey_island/cc/resources/auth/register.py
+++ b/monkey/monkey_island/cc/resources/auth/register.py
@@ -12,6 +12,9 @@ logger = logging.getLogger(__name__)
 
 
 class Registration(AbstractResource):
+    """
+    A resource for user registration
+    """
 
     urls = ["/api/register"]
 
@@ -19,6 +22,14 @@ class Registration(AbstractResource):
         self._authentication_service = authentication_service
 
     def post(self):
+        """
+        Gets a username and password from the request sent from the client,
+        and registers a new user
+
+        :raises InvalidRegistrationCredentialsError: If username or password is empty
+        :raises AlreadyRegisteredError: If a user has already been registered
+        """
+
         username, password = get_username_password_from_request(request)
 
         try: