diff --git a/boxes/__init__.py b/boxes/__init__.py
index 6242217..14d5081 100755
--- a/boxes/__init__.py
+++ b/boxes/__init__.py
@@ -178,7 +178,7 @@ class Boxes:
                 self.argparser.add_argument(
                     "--sx",  action="store", type=argparseSections,
                     default="50*3",
-                    help="""sections left to right in mm. Possible formats: overallwidth/numberof sections e.g. "250/5"; sectionwith*numberofsections e.g. "50*5"; section widths separated by ":" e.g. "30:25.5:70"
+                    help="""sections left to right in mm. Possible formats: overallwidth/numberof sections e.g. "250/5"; sectionwidth*numberofsections e.g. "50*5"; section widths separated by ":" e.g. "30:25.5:70"
 """)
             elif arg == "sy":
                 self.argparser.add_argument(