diff --git a/src/docc/__init__.py b/src/docc/__init__.py
index 3657c8a..b37d72f 100644
--- a/src/docc/__init__.py
+++ b/src/docc/__init__.py
@@ -17,5 +17,5 @@
 The documentation compiler.
 """
 
-__version__ = "0.3.0"
+__version__ = "0.3.1"
 "Current version of docc"
diff --git a/src/docc/plugins/python/cst.py b/src/docc/plugins/python/cst.py
index 925541c..51bc4aa 100644
--- a/src/docc/plugins/python/cst.py
+++ b/src/docc/plugins/python/cst.py
@@ -74,7 +74,16 @@ class PythonDiscover(Discover):
     """
 
     paths: Sequence[str]
+    """
+    File system paths to search for Python files.
+    """
+
     excluded_paths: Final[Sequence[PurePath]]
+    """
+    File system paths to exclude from the search. Excluding a parent directory
+    excludes all children.
+    """
+
     settings: PluginSettings
 
     def __init__(self, config: PluginSettings) -> None: