diff --git a/README.md b/README.md
index 1c53d34..27bbf90 100644
--- a/README.md
+++ b/README.md
@@ -27,7 +27,7 @@ Launch the chat console by typing `charla` in your terminal, or view all availab
 * Switch between single-line and multi-line input modes without interrupting the chat session.
 * Store default user preferences in a settings file.
 * Provide a system prompt for a chat session.
-* Load content from local files to add to prompts.
+* Load content from local files to use them as prompts.
 
 ## Configuration
 
diff --git a/charla/chat.py b/charla/chat.py
index ec465f6..73c8fb4 100644
--- a/charla/chat.py
+++ b/charla/chat.py
@@ -25,7 +25,7 @@
 Press RETURN to send prompt in single line mode.
 Press ALT+M to switch between single and multi line mode.
 Press ALT+RETURN to send prompt in multi line mode.
-Press CTRL-O to open file and send its content in the prompt.
+Press CTRL-O to open file and send its content as the prompt.
 Press CTRL-R or CTRL-S to search prompt history.
 Press ↑ and ↓ to navigate previously entered prompts.
 Press → to complete an auto suggested prompt.
@@ -41,6 +41,8 @@ def available_models() -> None | list[str]:
 
 
 def generate(model: str, prompt: str, context: list, output: list, system=None) -> list:
+    """Generate and print a response to the prompt and return the context."""
+
     stream = ollama.generate(model=model, prompt=prompt, context=context, stream=True, system=system)
 
     text = ''
@@ -56,6 +58,8 @@ def generate(model: str, prompt: str, context: list, output: list, system=None)
 
 
 def prompt_session(argv) -> PromptSession:
+    """Create and return a PromptSession object."""
+
     session: PromptSession = PromptSession(message=t_prompt_ml if argv.multiline else t_prompt,
                             history=FileHistory(argv.prompt_history),
                             auto_suggest=AutoSuggestFromHistory(),
@@ -81,6 +85,8 @@ def fetch(_event):
 
 
 def run(argv: argparse.Namespace) -> None:
+    """Run the chat session."""
+
     context: list[int] = []  # Store conversation history to make the model context aware
     output = [f'# Chat with: {argv.model}\n']  # List to store output text
 
@@ -127,6 +133,8 @@ def run(argv: argparse.Namespace) -> None:
 
 
 def save(chats_path: Path, output: list[str], model_name: str) -> None:
+    """Save the chat as a markdown file."""
+
     if len(output) > 1:
         now = datetime.strftime(datetime.now(), '%Y-%m-%d-%H-%M-%S')
         slug = re.sub(r'\W', '-', model_name)
diff --git a/charla/cli.py b/charla/cli.py
index 6de56aa..70397eb 100755
--- a/charla/cli.py
+++ b/charla/cli.py
@@ -8,6 +8,8 @@
 
 
 def handle_models(argv):
+    """Handler for models subcommand."""
+
     if argv.verbose:
         print(json.dumps(argv.models, indent=4))
     else:
@@ -15,6 +17,8 @@ def handle_models(argv):
 
 
 def main():
+    """Create and execute command line interface."""
+
     if (models := chat.available_models()) is None:
         sys.exit('No language models available.')
     model_names = [m['name'] for m in models]
diff --git a/charla/config.py b/charla/config.py
index 19d1577..a3156e8 100644
--- a/charla/config.py
+++ b/charla/config.py
@@ -18,6 +18,7 @@
 
 def load() -> dict:
     """Return settings from settings file, if it exists."""
+
     if path_settings.exists():
         try:
             return json.loads(path_settings.read_text())
@@ -27,6 +28,8 @@ def load() -> dict:
 
 
 def mkdir(path: Path, **kwds):
+    """Wrapper for pathlib's mkdir."""
+
     try:
         path.mkdir(**kwds)
     except PermissionError as err:
@@ -34,11 +37,15 @@ def mkdir(path: Path, **kwds):
 
 
 def settings(user_settings: dict) -> dict:
+    """Return settings based on user input."""
+
     default_settings.update(user_settings)
     return default_settings
 
 
 def manage(argv: argparse.Namespace) -> None:
+    """Handler for settings subcommand."""
+
     if argv.location:
         print(path_settings)
     else: