diff --git a/sources/lib/platform/hp-ux/check_hpux_fs_mounts_options.sh b/sources/lib/platform/hp-ux/check_hpux_fs_mounts_options.sh
index d0a574b..f8e87af 100644
--- a/sources/lib/platform/hp-ux/check_hpux_fs_mounts_options.sh
+++ b/sources/lib/platform/hp-ux/check_hpux_fs_mounts_options.sh
@@ -132,6 +132,8 @@ NAME    : $1
 VERSION : $2
 CONFIG  : $3 with formatted stanzas:
             fs:<my_fs1>:<my_fs_opts1>
+          Other options:
+            ignore_missing_fs=yes|no
 PURPOSE : Checks whether file systems are mounted with correct options
 
 EOT