[ninglinLiu]

Summary

• `initalized`/`initalizes` → `initialized`/`initializes` in `jsruntime` docs
• `seperately` → `separately` in `jsruntime` docs
• `sucessfully` → `successfully` in release checklist template

Test plan

• Docs/comment-only typo fixes; no runtime behavior change.

[CLAassistant]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you sign our Contributor License Agreement before we can accept your contribution.
_{You have signed the CLA already but the status is still pending? Let us recheck it.}