fix typos in comment

[ZYecho]

Signed-off-by: zhangyue zy675793960@yeah.net

Ⅰ. Describe what this PR did

As the title desc.

Ⅱ. Does this pull request fix one issue?

None.

Ⅲ. Why don't you add test cases (unit test/integration test)? (你真的觉得不需要加测试吗？)

No need.

Ⅳ. Describe how to verify it

wait for CI

Ⅴ. Special notes for reviews

None.

[codecov]

Codecov Report

Merging #2639 into master will decrease coverage by 38.14%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master   #2639       +/-   ##
==========================================
- Coverage   69.55%   31.4%   -38.15%     
==========================================
  Files         280     275        -5     
  Lines       18844   18711      -133     
==========================================
- Hits        13107    5877     -7230     
- Misses       4268   11815     +7547     
+ Partials     1469    1019      -450

Flag	Coverage Δ
#criv1alpha1test	31.4% <ø> (+0.04%)	⬆️
#criv1alpha2test	?
#integrationtest	?
#nodee2etest	?
#unittest	?

Impacted Files	Coverage Δ
pkg/jsonstream/format.go	100% <ø> (ø)	⬆️
client/container_restart.go	0% <0%> (-100%)	⬇️
client/image_pull.go	0% <0%> (-100%)	⬇️
apis/opts/sysctl.go	0% <0%> (-100%)	⬇️
client/volume_create.go	0% <0%> (-100%)	⬇️
client/image_remove.go	0% <0%> (-100%)	⬇️
client/daemon_update.go	0% <0%> (-100%)	⬇️
client/container_update.go	0% <0%> (-100%)	⬇️
client/image_load.go	0% <0%> (-100%)	⬇️
client/container_commit.go	0% <0%> (-100%)	⬇️
... and 207 more

[pouchrobot]

Thanks for your contribution. 🍻 @ZYecho
While we thought PR TITLE could be more specific, longer than 20 chars.
Please edit this PR title instead of opening a new one.
More details, please refer to https://github.com/alibaba/pouch/blob/master/CONTRIBUTING.md

[allencloud]

LGTM, thanks @ZYecho