1 files changed, 2 insertions, 2 deletions

diff --git a/util-linux/fdflush.c b/util-linux/fdflush.c
index 201cea898..56ea2244d 100644
--- a/util-linux/fdflush.c
+++ b/util-linux/fdflush.c
@@ -33,8 +33,8 @@ extern int fdflush_main(int argc, char **argv)
         int value;
         int fd;
 
-        if (argc <= 1 || **(argv++) == '-') {
-                usage("fdflush device\n");
+        if (argc <= 1 || **(++argv) == '-') {
+                usage("fdflush device\n\nForce floppy disk drive to detect disk change\n");
         }
 
         fd = open(*argv, 0);