diff --git a/src/fer/classes.py b/src/fer/classes.py
index 2d2bddb..e1ee440 100644
--- a/src/fer/classes.py
+++ b/src/fer/classes.py
@@ -29,7 +29,7 @@ def __init__(
         tempfile: Optional[str] = None,
     ):
         """Video class for extracting and saving frames for emotion detection.
-        :param video_file - str
+        param video_file - str
         :param outdir - str
         :param tempdir - str
         :param first_face_only - bool
@@ -53,12 +53,12 @@ def __init__(
     @staticmethod
     def get_max_faces(data: list) -> int:
         """Get max number of faces detected in a series of frames, eg 3"""
-        max = 0
+        max_faces = 0
         for frame in data:
             for face in frame:
-                if len(face) > max:
-                    max = len(face)
-        return max
+                if len(face) > max_faces:
+                    max_faces = len(face)
+        return max_faces
 
     @staticmethod
     def _to_dict(data: Union[dict, list]) -> dict:
@@ -117,7 +117,7 @@ def get_first_face(df: pd.DataFrame) -> pd.DataFrame:
 
     @staticmethod
     def get_emotions(df: pd.DataFrame) -> list:
-        """Get emotion columsn from results."""
+        """Get emotion columns from results."""
         columns = [x for x in df.columns if "box" not in x]
         return df[columns]