1 files changed, 8 insertions, 0 deletions

diff --git a/util-linux/mkswap.c b/util-linux/mkswap.c
index 2e9662b2b..ef6932c6c 100644
--- a/util-linux/mkswap.c
+++ b/util-linux/mkswap.c
@@ -5,6 +5,14 @@
  *
  * Licensed under GPLv2, see file LICENSE in this source tree.
  */
+
+//usage:#define mkswap_trivial_usage
+//usage:       "[-L LBL] BLOCKDEV [KBYTES]"
+//usage:#define mkswap_full_usage "\n\n"
+//usage:       "Prepare BLOCKDEV to be used as swap partition\n"
+//usage:     "\nOptions:"
+//usage:     "\n        -L LBL  Label"
+
 #include "libbb.h"
 
 #if ENABLE_SELINUX