diff --git a/src/logwatcher/cli.py b/src/logwatcher/cli.py
index cfe0f41..cea6754 100644
--- a/src/logwatcher/cli.py
+++ b/src/logwatcher/cli.py
@@ -16,7 +16,9 @@ def version_callback(value: bool):
     """
     Print the version of package.
     Stop the CLI after printing version.
-    :return:
+
+    Args:
+        value: True if '--version' is provided, False otherwise.
     """
     if value:
         print(f"logwatcher version: {__version__}")
@@ -26,7 +28,13 @@ def version_callback(value: bool):
 def _is_log_file(path: Path) -> bool:
     """
     Return True if file is a log file (.txt, .log, or extensionless).
-    :param path: Path to log file
+
+    Args:
+        path: Path of a file
+
+    Returns:
+        True if file has .txt or .log extension or extensionless
+        False otherwise.
     """
     if not path.is_file():
         return False