2 files changed, 6 insertions, 0 deletions

diff --git a/include/applets.h b/include/applets.h
index 12d438cea..059472248 100644
--- a/include/applets.h
+++ b/include/applets.h
@@ -70,6 +70,7 @@ USE_CHMOD(APPLET(chmod, chmod_main, _BB_DIR_BIN, _BB_SUID_NEVER))
 USE_CHOWN(APPLET(chown, chown_main, _BB_DIR_BIN, _BB_SUID_NEVER))
 USE_CHROOT(APPLET(chroot, chroot_main, _BB_DIR_USR_SBIN, _BB_SUID_NEVER))
 USE_CHVT(APPLET(chvt, chvt_main, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
+USE_CKSUM(APPLET(cksum, cksum_main, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
 USE_CLEAR(APPLET(clear, clear_main, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
 USE_CMP(APPLET(cmp, cmp_main, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
 USE_COMM(APPLET(comm, comm_main, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
diff --git a/include/usage.h b/include/usage.h
index d458936ca..3edb0f7ca 100644
--- a/include/usage.h
+++ b/include/usage.h
@@ -224,6 +224,11 @@
 #define chvt_full_usage \
         "Changes the foreground virtual terminal to /dev/ttyN"
 
+#define cksum_trivial_usage \
+        "FILES..."
+#define cksum_full_usage \
+        "Calculates the CRC32 checksums of FILES."
+
 #define clear_trivial_usage \
         ""
 #define clear_full_usage \