diff --git a/src/journal/coredumpctl.c b/src/journal/coredumpctl.c
index 60bba7f0e8..663e3cdd10 100644
--- a/src/journal/coredumpctl.c
+++ b/src/journal/coredumpctl.c
@@ -87,6 +87,7 @@ static int help(void) {
                "Commands:\n"
                "  -h --help         Show this help\n"
                "  --version         Print version string\n"
+               "  gdb               Start gdb for the first matching coredump\n"
                "  list              List available coredumps\n"
                "  dump PID          Print coredump to stdout\n"
                "  dump PATH         Print coredump to stdout\n"