diff --git a/debian/patches/30_check_disk_clarify_usage_possibilites b/debian/patches/30_check_disk_clarify_usage_possibilites
new file mode 100644
index 0000000..ad526d8
--- /dev/null
+++ b/debian/patches/30_check_disk_clarify_usage_possibilites
@@ -0,0 +1,20 @@
+From 4fa72f14e814ca94e8ee75b444011bd553870ebe Mon Sep 17 00:00:00 2001
+From: RincewindsHat <12514511+RincewindsHat@users.noreply.github.com>
+Date: Sat, 29 Jan 2022 15:50:03 +0100
+Subject: [PATCH 1/4] Clarify usage possibilites of check_disk
+
+---
+ plugins/check_disk.c | 5 ++++-
+ 1 file changed, 4 insertions(+), 1 deletion(-)
+
+--- a/plugins/check_disk.c
++++ b/plugins/check_disk.c
+@@ -951,7 +951,7 @@
+ print_usage (void)
+ {
+   printf ("%s\n", _("Usage:"));
+-  printf (" %s -w limit -c limit [-W limit] [-K limit] {-p path | -x device}\n", progname);
++  printf (" %s {-w absolute_limit |-w  percentage_limit% | -W inode_percentage_limit } {-c absolute_limit|-c percentage_limit% | -K inode_percentage_limit } {-p path | -x device}\n", progname);
+   printf ("[-C] [-E] [-e] [-f] [-g group ] [-k] [-l] [-M] [-m] [-R path ] [-r path ]\n");
+   printf ("[-t timeout] [-u unit] [-v] [-X type] [-N type]\n");
+ }
diff --git a/debian/patches/series b/debian/patches/series
index 5ac4b5f..b18679c 100644
--- a/debian/patches/series
+++ b/debian/patches/series
@@ -18,3 +18,4 @@
 27_check_snmp_add_multiplier
 28_check_snmp_fix_regex_matches
 29_check_log_polish
+30_check_disk_clarify_usage_possibilites