chore: fix docs for 0.22.0 version (#3871)

# Description

## Problem\*

Resolves <!-- Link to GitHub Issue -->

## Summary\*



## Additional Context



## Documentation\*

Check one:
- [ ] No documentation needed.
- [ ] Documentation included in this PR.
- [ ] **[Exceptional Case]** Documentation to be submitted in a separate
PR.

# PR Checklist\*

- [ ] I have tested the changes locally.
- [ ] I have formatted the changes with [Prettier](https://prettier.io/)
and/or `cargo fmt` on default settings.

docs/docs/index.md

@@ -43,8 +43,7 @@ contracts efficiently. While the current alpha version offers this as a direct f
 to modularize this process for even greater ease of use.
 
 Noir currently includes a command to create a Solidity contract which verifies your Noir program. This will be
-modularised in the future; however, as of the alpha, you can use the
- command to create a verifier contract.
+modularised in the future; however, as of the alpha, you can use the `nargo codegen-verifier` command to create a verifier contract.
 
 ### Protocol Developers
 

docs/versioned_docs/version-v../index.md → docs/versioned_docs/version-v0.22.0/index.md

@@ -43,8 +43,7 @@ contracts efficiently. While the current alpha version offers this as a direct f
 to modularize this process for even greater ease of use.
 
 Noir currently includes a command to create a Solidity contract which verifies your Noir program. This will be
-modularised in the future; however, as of the alpha, you can use the
- command to create a verifier contract.
+modularised in the future; however, as of the alpha, you can use the `nargo codegen-verifier` command to create a verifier contract.
 
 ### Protocol Developers