1 files changed, 2 insertions, 0 deletions

diff --git a/include/usage.h b/include/usage.h
index 9294e892c..7b88a2acc 100644
--- a/include/usage.h
+++ b/include/usage.h
@@ -39,6 +39,7 @@
        "Add a group " IF_FEATURE_ADDUSER_TO_GROUP("or add a user to a group") "\n" \
      "\nOptions:" \
      "\n        -g GID  Group id" \
+     "\n        -S      Create a system group" \
 
 #define adduser_trivial_usage \
        "[OPTIONS] user_name"
@@ -52,6 +53,7 @@
      "\n        -S              Create a system user" \
      "\n        -D              Do not assign a password" \
      "\n        -H              Do not create home directory" \
+     "\n        -u UID          User id" \
 
 #define adjtimex_trivial_usage \
        "[-q] [-o offset] [-f frequency] [-p timeconstant] [-t tick]"