diff --git a/tsmark/video_annotator.py b/tsmark/video_annotator.py
index baa9589..c89bd16 100755
--- a/tsmark/video_annotator.py
+++ b/tsmark/video_annotator.py
@@ -1307,10 +1307,7 @@ class World:
                     ffmpeg_args_print.append(
                         arg.format(
                             input=shlex.quote(src_name_print),
-                            output=shlex.quote(
-                                f"{tgt_name_print}.trim.{
-                                               from_str}-{to_str}"
-                            ),
+                            output=shlex.quote(f"{tgt_name_print}.trim.{from_str}-{to_str}"),
                             start_time=from_ft,
                             end_time=to_ft,
                         )