diff --git a/nilmtools/insert.py b/nilmtools/insert.py
index 4aa15b1..ddbabb8 100755
--- a/nilmtools/insert.py
+++ b/nilmtools/insert.py
@@ -53,7 +53,7 @@ def parse_args(argv = None):
       is stepped forward to match 'clock'.
 
     - If 'data' is running ahead, there is overlap in the data, and an
-      error is raised.  If '--ignore' is specified, the current file
+      error is raised.  If '--skip' is specified, the current file
       is skipped instead of raising an error.
     """))
     parser.add_argument("-u", "--url", action="store",