diff --git a/tests/grouptools/groupmod/21_groupmod_change_gid_error_no_group/data/groupmod.err b/tests/grouptools/groupmod/21_groupmod_change_gid_error_no_group/data/groupmod.err
index d611f570..c9b28d71 100644
--- a/tests/grouptools/groupmod/21_groupmod_change_gid_error_no_group/data/groupmod.err
+++ b/tests/grouptools/groupmod/21_groupmod_change_gid_error_no_group/data/groupmod.err
@@ -7,4 +7,5 @@ Options:
   -o, --non-unique              allow to use a duplicate (non-unique) GID
   -p, --password PASSWORD       change the password to this (encrypted)
                                 PASSWORD
+  -R, --root CHROOT_DIR         directory to chroot into
 
diff --git a/tests/grouptools/groupmod/28_groupmod_usage/data/usage.out b/tests/grouptools/groupmod/28_groupmod_usage/data/usage.out
index d611f570..c9b28d71 100644
--- a/tests/grouptools/groupmod/28_groupmod_usage/data/usage.out
+++ b/tests/grouptools/groupmod/28_groupmod_usage/data/usage.out
@@ -7,4 +7,5 @@ Options:
   -o, --non-unique              allow to use a duplicate (non-unique) GID
   -p, --password PASSWORD       change the password to this (encrypted)
                                 PASSWORD
+  -R, --root CHROOT_DIR         directory to chroot into
 
diff --git a/tests/grouptools/groupmod/32_groupmod_-o_without_-g/data/groupmod.err b/tests/grouptools/groupmod/32_groupmod_-o_without_-g/data/groupmod.err
index d611f570..c9b28d71 100644
--- a/tests/grouptools/groupmod/32_groupmod_-o_without_-g/data/groupmod.err
+++ b/tests/grouptools/groupmod/32_groupmod_-o_without_-g/data/groupmod.err
@@ -7,4 +7,5 @@ Options:
   -o, --non-unique              allow to use a duplicate (non-unique) GID
   -p, --password PASSWORD       change the password to this (encrypted)
                                 PASSWORD
+  -R, --root CHROOT_DIR         directory to chroot into