diff --git a/copyparty/__main__.py b/copyparty/__main__.py
index a99eda6c..15b57aca 100644
--- a/copyparty/__main__.py
+++ b/copyparty/__main__.py
@@ -1210,8 +1210,8 @@ def add_thumbnail(ap):
     ap2.add_argument("--th-mt", metavar="CORES", type=int, default=CORES, help="num cpu cores to use for generating thumbnails")
     ap2.add_argument("--th-convt", metavar="SEC", type=float, default=60, help="conversion timeout in seconds (volflag=convt)")
     ap2.add_argument("--th-ram-max", metavar="GB", type=float, default=6, help="max memory usage (GiB) permitted by thumbnailer; not very accurate")
-    ap2.add_argument("--th-crop", metavar="TXT", type=u, default="y", help="crop thumbnails to 4:3 or keep dynamic height; client can override in UI unless force. [\033[32mfy\033[0m]=crop, [\033[32mfn\033[0m]=nocrop, [\033[32mfy\033[0m]=force-y, [\033[32mfn\033[0m]=force-n (volflag=crop)")
-    ap2.add_argument("--th-x3", metavar="TXT", type=u, default="n", help="show thumbs at 3x resolution; client can override in UI unless force. [\033[32mfy\033[0m]=yes, [\033[32mfn\033[0m]=no, [\033[32mfy\033[0m]=force-yes, [\033[32mfn\033[0m]=force-no (volflag=th3x)")
+    ap2.add_argument("--th-crop", metavar="TXT", type=u, default="y", help="crop thumbnails to 4:3 or keep dynamic height; client can override in UI unless force. [\033[32my\033[0m]=crop, [\033[32mn\033[0m]=nocrop, [\033[32mfy\033[0m]=force-y, [\033[32mfn\033[0m]=force-n (volflag=crop)")
+    ap2.add_argument("--th-x3", metavar="TXT", type=u, default="n", help="show thumbs at 3x resolution; client can override in UI unless force. [\033[32my\033[0m]=yes, [\033[32mn\033[0m]=no, [\033[32mfy\033[0m]=force-yes, [\033[32mfn\033[0m]=force-no (volflag=th3x)")
     ap2.add_argument("--th-dec", metavar="LIBS", default="vips,pil,ff", help="image decoders, in order of preference")
     ap2.add_argument("--th-no-jpg", action="store_true", help="disable jpg output")
     ap2.add_argument("--th-no-webp", action="store_true", help="disable webp output")