diff --git a/pypeit/scripts/coadd_datacube.py b/pypeit/scripts/coadd_datacube.py
index 18a07ceeb9..5ae3a74974 100644
--- a/pypeit/scripts/coadd_datacube.py
+++ b/pypeit/scripts/coadd_datacube.py
@@ -52,7 +52,7 @@ def main(args):
             msgs.info("Restricting to detector={}".format(args.det))
             parset['rdx']['detnum'] = int(args.det)
 
-        # Instantiate Coadd2d
+        # Instantiate CoAdd3d
         coadd = CoAdd3D.get_instance(coadd3dfile.filenames, coadd3dfile.options, spectrograph=spectrograph, par=parset,
                                      det=args.det, overwrite=args.overwrite)