diff --git a/dicom2stl.py b/dicom2stl.py
index fc50d72..5929da0 100755
--- a/dicom2stl.py
+++ b/dicom2stl.py
@@ -427,6 +427,9 @@ def dicom2stl(args):
     print("")
 
 
-if __name__ == "__main__":
+def main():
     args = parseargs.parseargs()
     dicom2stl(args)
+
+if __name__ == "__main__":
+    main()
diff --git a/pyproject.toml b/pyproject.toml
index 5a5bb17..6a09e3c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -7,7 +7,7 @@ name = "dicom2stl"
 authors = [
   { name="David Chen", email="dchen@mail.nih.gov" },
 ]
-description = "A script to extract an STL surface mesh from a DICOM volume image."
+description = "A script to extract an iso-surface from a DICOM series to produce an STL mesh."
 readme = "README.md"
 requires-python = ">=3.8"
 classifiers = [