Update protocol.md - typo fix

[ankushgoel27]

Description

Just fixes a small typo in protocol.md

Other changes

Describe any minor or "drive-by" changes here.

Tested

An explanation of how the changes were tested or an explanation as to why they don't need to be.

Related issues

• Fixes #[issue number here]

Backwards compatibility

Brief explanation of why these changes are/are not backwards compatible.

Documentation

The set of community facing docs that have been added/modified because of this change

[changeset-bot]

⚠️ No Changeset found

Latest commit: 9436cb6

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

This PR includes no changesets

When changesets are added to this PR, you'll see the packages that this PR includes changesets for and the associated semver types

Click here to learn what changesets are, and how to add one.

Click here if you're a maintainer who wants to add a changeset to this PR