diff --git a/tests/cktools/grpck/28_grpck_usage/data/usage.out b/tests/cktools/grpck/28_grpck_usage/data/usage.out
index cf253878..899e2d78 100644
--- a/tests/cktools/grpck/28_grpck_usage/data/usage.out
+++ b/tests/cktools/grpck/28_grpck_usage/data/usage.out
@@ -1,2 +1,9 @@
-grpck: invalid option -- 'h'
-Usage: grpck [-r] [-s] [group [gshadow]]
+Usage: grpck [options] [group [gshadow]]
+
+Options:
+  -h, --help                    display this help message and exit
+  -r, --read-only               display errors and warnings
+                                but do not change files
+  -R, --root CHROOT_DIR         directory to chroot into
+  -s, --sort                    sort entries by UID
+
diff --git a/tests/cktools/grpck/30_grpck_3_files/data/usage.out b/tests/cktools/grpck/30_grpck_3_files/data/usage.out
index bb473c14..899e2d78 100644
--- a/tests/cktools/grpck/30_grpck_3_files/data/usage.out
+++ b/tests/cktools/grpck/30_grpck_3_files/data/usage.out
@@ -1 +1,9 @@
-Usage: grpck [-r] [-s] [group [gshadow]]
+Usage: grpck [options] [group [gshadow]]
+
+Options:
+  -h, --help                    display this help message and exit
+  -r, --read-only               display errors and warnings
+                                but do not change files
+  -R, --root CHROOT_DIR         directory to chroot into
+  -s, --sort                    sort entries by UID
+