diff --git a/scripts/checkstack.pl b/scripts/checkstack.pl
index 6ae2e62b6e6dd74fce1165c24cf0691f2a0ecf1e..e1af9f4fcef3273358cbc40cfd3d44325580e73e 100755
--- a/scripts/checkstack.pl
+++ b/scripts/checkstack.pl
@@ -18,7 +18,7 @@
 #	loongarch port by Youling Tang <tangyouling@kylinos.cn>
 #
 #	Usage:
-#	objdump -d vmlinux | scripts/checkstack.pl [arch]
+#	objdump -d vmlinux | scripts/checkstack.pl [arch] [min_stack]
 #
 #	TODO :	Port to all architectures (one regex per arch)