diff --git a/winbuild/build_prepare.py b/winbuild/build_prepare.py
index bef7b6e..ca3fd6c 100644
--- a/winbuild/build_prepare.py
+++ b/winbuild/build_prepare.py
@@ -406,7 +406,10 @@ def main() -> None:
 
     parser = argparse.ArgumentParser(
         prog="winbuild\\build_prepare.py",
-        description="Download and generate build scripts for pillow-avif-plugin dependencies.",
+        description=(
+            "Download and generate build scripts "
+            "for pillow-avif-plugin dependencies."
+        ),
     )
     parser.add_argument(
         "-v", "--verbose", action="store_true", help="print generated scripts"