diff --git a/src/control_backend/agents/base.py b/src/control_backend/agents/base.py
index c12c503..ec50af5 100644
--- a/src/control_backend/agents/base.py
+++ b/src/control_backend/agents/base.py
@@ -16,8 +16,11 @@ class BaseAgent(CoreBaseAgent):
 
     logger: logging.Logger
 
-    # Whenever a subclass is initiated, give it the correct logger
     def __init_subclass__(cls, **kwargs) -> None:
+        """
+        Whenever a subclass is initiated, give it the correct logger.
+        :param kwargs: Keyword arguments for the subclass.
+        """
         super().__init_subclass__(**kwargs)
 
         cls.logger = logging.getLogger(__package__).getChild(cls.__name__)
diff --git a/src/control_backend/agents/communication/ri_communication_agent.py b/src/control_backend/agents/communication/ri_communication_agent.py
index a57400e..f4e3ef0 100644
--- a/src/control_backend/agents/communication/ri_communication_agent.py
+++ b/src/control_backend/agents/communication/ri_communication_agent.py
@@ -189,6 +189,10 @@ class RICommunicationAgent(BaseAgent):
                     self.logger.warning("Unhandled negotiation id: %s", id)
 
     async def stop(self):
+        """
+        Closes all sockets.
+        :return:
+        """
         if self._req_socket:
             self._req_socket.close()
         if self.pub_socket:
diff --git a/src/control_backend/agents/llm/llm_instructions.py b/src/control_backend/agents/llm/llm_instructions.py
index 40e52f4..753fab2 100644
--- a/src/control_backend/agents/llm/llm_instructions.py
+++ b/src/control_backend/agents/llm/llm_instructions.py
@@ -5,6 +5,8 @@ class LLMInstructions:
     It combines the base persona (Pepper robot) with dynamic norms and goals
     provided by the BDI system.
 
+    If no norms/goals are given it assumes empty lists.
+
     :ivar norms: A list of behavioral norms.
     :ivar goals: A list of specific conversational goals.
     """
diff --git a/src/control_backend/agents/perception/vad_agent.py b/src/control_backend/agents/perception/vad_agent.py
index 48ac741..948e4ec 100644
--- a/src/control_backend/agents/perception/vad_agent.py
+++ b/src/control_backend/agents/perception/vad_agent.py
@@ -141,6 +141,10 @@ class VADAgent(BaseAgent):
         await super().stop()
 
     def _connect_audio_in_socket(self):
+        """
+        Connects (or binds) the socket for listening to audio from RI.
+        :return:
+        """
         self.audio_in_socket = azmq.Context.instance().socket(zmq.SUB)
         self.audio_in_socket.setsockopt_string(zmq.SUBSCRIBE, "")
         if self.audio_in_bind:
diff --git a/src/control_backend/logging/setup_logging.py b/src/control_backend/logging/setup_logging.py
index 3d4808e..fe40738 100644
--- a/src/control_backend/logging/setup_logging.py
+++ b/src/control_backend/logging/setup_logging.py
@@ -37,6 +37,12 @@ def add_logging_level(level_name: str, level_num: int, method_name: str | None =
 
 
 def setup_logging(path: str = ".logging_config.yaml") -> None:
+    """
+    Setup logging configuration of the CB. Tries to load the logging configuration from a file,
+    in which we specify custom loggers, formatters, handlers, etc.
+    :param path:
+    :return:
+    """
     if os.path.exists(path):
         with open(path) as f:
             try: