diff --git a/video2x/__main__.py b/video2x/__main__.py
index b279fc5..6e858ce 100755
--- a/video2x/__main__.py
+++ b/video2x/__main__.py
@@ -131,7 +131,7 @@ def parse_arguments() -> argparse.Namespace:
     interpolate.add_argument(
         "-a",
         "--algorithm",
-        choices=UPSCALING_ALGORITHMS,
+        choices=INTERPOLATION_ALGORITHMS,
         help="algorithm to use for upscaling",
         default=INTERPOLATION_ALGORITHMS[0],
     )
diff --git a/video2x/encoder.py b/video2x/encoder.py
index ead0f50..073de90 100755
--- a/video2x/encoder.py
+++ b/video2x/encoder.py
@@ -92,7 +92,7 @@ class VideoEncoder:
                     crf=17,
                     preset="veryslow",
                     # acodec="libfdk_aac",
-                    # cutoff=20000,
+                    # cutoff=18000,
                     r=frame_rate,
                     map_metadata=1,
                     metadata="comment=Processed with Video2X",