Fixed Typos

[niklabh]

Pull Request type

Please add the labels corresponding to the type of changes your PR introduces:

• [x] Documentation

Description

Fixed some Typos in code

Related Issues

Testing Performed

Checklist

• [x] I have performed a self-review of my own code.
• [x] The tests pass successfully with cargo test.
• [x] The code was formatted with cargo fmt.
• [x] The code compiles with no new warnings with cargo build --release and cargo build --release --features runtime-benchmarks.
• [x] The code has no new warnings when using cargo clippy.
• [x] If this change affects documented features or needs new documentation, I have created a PR with a documentation update.

[Leouarz]

There is a lot of docs that is coming from upstream (polkadot js, substrate) or generated file. Your PR is not mergeable ATM and it's not our priority currently. It will be taken internally in few weeks.

Thank you for your PR nonetheless