Fix typo: ammended -> amended
Fix typo: ammended -> amended

Signed-off-by: Zhang Wei <14976e959b2860fb06a3c1edbdb1945a4e11b8b5@huawei.com>

wking/opencontainer-runtime-spec,opencontainers/specs,hqhq/specs,laijs/specs,opencontainers/runtime-spec,ujuc/specs,hqhq/runtime-spec,cloudfoundry-incubator/specs,jonboulle/specs,wking/opencontainer-specs