tools/syz-stress: fix comment
tools/syz-stress: fix comment

Co-authored-by: maramihali <49802dd315f878370a478a8c6431defde1e36299@google.com>
google/syzkaller,google/syzkaller,google/syzkaller,xairy/syzkaller,google/syzkaller,xairy/syzkaller,xairy/syzkaller,google/syzkaller,xairy/syzkaller,google/syzkaller,xairy/syzkaller,google/syzkaller,xairy/syzkaller,xairy/syzkaller