diff --git a/cmd/copyurl/copyurl.go b/cmd/copyurl/copyurl.go
index c5f46cbc7..6c5ec34c1 100644
--- a/cmd/copyurl/copyurl.go
+++ b/cmd/copyurl/copyurl.go
@@ -43,7 +43,7 @@ Setting |--auto-filename| will attempt to automatically determine the
 filename from the URL (after any redirections) and used in the
 destination path.
 
-With |--auto-filename-header| in addition, if a specific filename is
+With |--header-filename| in addition, if a specific filename is
 set in HTTP headers, it will be used instead of the name from the URL.
 With |--print-filename| in addition, the resulting file name will be
 printed.