docs: Fixed typos

[Smoothieewastaken]

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fixes #...

Summary

This pull request fixes multiple typos under doc folder. I request repository maintainers to review and merge it.
comment: # (Summarise the problem and how the pull request solves it)
...

Documentation change PR (review please): https://github.com/status-im/status.im/pull/xxx

Review notes

Testing notes

Platforms

• Android
• iOS
• macOS
• Linux
• Windows

Areas that maybe impacted

Functional

• 1-1 chats
• public chats
• group chats
• wallet / transactions
• dapps / app browsing
• account recovery
• new account
• user profile updates
• networks
• mailservers
• fleet
• bootnodes

Non-functional

• battery performance
• CPU performance / speed of the app
• network consumption

Steps to test

• Open Status
• ...
• Step 3, etc.

Before and after screenshots comparison

Figma (if available)	iOS (if available)	Android (if available)
Please embed Image/Video here of the before and after.	Please embed Image/Video here of the before and after.	Please embed Image/Video here of the before and after.

status: ready

[ghost]

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