diff --git a/src/dailyai/services/ai_services.py b/src/dailyai/services/ai_services.py
index e738b6cdb..b6640113e 100644
--- a/src/dailyai/services/ai_services.py
+++ b/src/dailyai/services/ai_services.py
@@ -16,13 +16,20 @@ from dailyai.pipeline.frames import (
     Frame,
     TextFrame,
     TranscriptionQueueFrame,
-    UserStoppedSpeakingFrame
 )
 
 from abc import abstractmethod
 from typing import AsyncGenerator, AsyncIterable, BinaryIO, Iterable, List
 
 class AIService(FrameProcessor):
+    """ This is the base class for various AI services (LLM, TTS and Image)
+
+    This class adds some convenienence functions to run, effectively, a one-stage
+    pipeline where the incoming frames can come from an iterable or queue
+    and the processed frames go to a queue. Child classes extend those convenience
+    functions, eg. TTS's `say` method runs the TTS and emits the AudioFrames to a
+    queue.
+    """
 
     def __init__(self):
         self.logger = logging.getLogger("dailyai")
@@ -30,12 +37,17 @@ class AIService(FrameProcessor):
     def stop(self):
         pass
 
-    async def run_to_queue(self, queue: asyncio.Queue, frames, add_end_of_stream=False) -> None:
+    async def run_to_queue(
+        self,
+        queue: asyncio.Queue,
+        frames: Iterable[Frame] | AsyncIterable[Frame] | asyncio.Queue[Frame]
+    ) -> None:
+        """ Process the given frames (from an iterable or queue) and send them to
+        the given queue.
+        """
         async for frame in self.run(frames):
             await queue.put(frame)
 
-        if add_end_of_stream:
-            await queue.put(EndFrame())
 
     async def run(
         self,
@@ -43,6 +55,16 @@ class AIService(FrameProcessor):
         | AsyncIterable[Frame]
         | asyncio.Queue[Frame],
     ) -> AsyncGenerator[Frame, None]:
+        """ Generates 0 or more frames from the given iterable or queue.
+
+        This is a convenience function to take a collection of frames, process
+        them, and yield processed frames.
+
+        The preferred way to use FrameProcessors is with a pipeline, but if you
+        have a very simple case (eg. a list of static text blocks you want to speak,
+        or a list of static image description you want to render) this function
+        will be helpful.
+        """
         try:
             if isinstance(frames, AsyncIterable):
                 async for frame in frames:
@@ -73,14 +95,14 @@ class LLMService(AIService):
         self._messages = messages
 
     @abstractmethod
-    async def run_llm_async(self, messages) -> AsyncGenerator[str, None]:
+    async def run_llm_async(self, messages, tool_choice=None) -> AsyncGenerator[str, None]:
         yield ""
 
     @abstractmethod
     async def run_llm(self, messages) -> str:
         pass
 
-    async def process_frame(self, frame: Frame, tool_choice: str = None) -> AsyncGenerator[Frame, None]:
+    async def process_frame(self, frame: Frame, tool_choice: str | None = None) -> AsyncGenerator[Frame, None]:
         if isinstance(frame, LLMMessagesQueueFrame):
             function_name = ""
             arguments = ""
diff --git a/src/dailyai/services/ollama_ai_services.py b/src/dailyai/services/ollama_ai_services.py
index c065e0b7b..16c667dc5 100644
--- a/src/dailyai/services/ollama_ai_services.py
+++ b/src/dailyai/services/ollama_ai_services.py
@@ -19,11 +19,13 @@ class OLLamaLLMService(LLMService):
             model=self._model
         )
 
-    async def run_llm_async(self, messages) -> AsyncGenerator[str, None]:
+    async def run_llm_async(self, messages, tool_choice=None) -> AsyncGenerator[str, None]:
         messages_for_log = json.dumps(messages)
         self.logger.debug(f"Generating chat via openai: {messages_for_log}")
 
-        chunks = await self._client.chat.completions.create(model=self._model, stream=True, messages=messages)
+        chunks = await self._client.chat.completions.create(
+            model=self._model, stream=True, messages=messages
+        )
         async for chunk in chunks:
             if len(chunk.choices) == 0:
                 continue
@@ -33,7 +35,7 @@ class OLLamaLLMService(LLMService):
 
     async def run_llm(self, messages) -> str | None:
         messages_for_log = json.dumps(messages)
-        self.logger.debug(f"Generating chat via openai: {messages_for_log}")
+        self.logger.debug(f"Generating chat via ollama: {messages_for_log}")
 
         response = await self._client.chat.completions.create(model=self._model, stream=False, messages=messages)
         if response and len(response.choices) > 0: