diff --git a/keras_retinanet/utils/image.py b/keras_retinanet/utils/image.py
index 44edfea93..2e109df52 100644
--- a/keras_retinanet/utils/image.py
+++ b/keras_retinanet/utils/image.py
@@ -28,6 +28,7 @@ def read_image_bgr(path):
     Args
         path: Path to the image.
     """
+    # We deliberately don't use cv2.imread here, since it gives no feedback on errors while reading the image.
     image = np.asarray(Image.open(path).convert('RGB'))
     return image[:, :, ::-1].copy()