update code review cookbook and test agent.md

Author: justonf

examples/codex/build_code_review_with_codex_sdk.md

@@ -4,15 +4,15 @@ With [Code Review](https://chatgpt.com/codex/settings/code-review) in Codex Clou
 
 Luckily, we can replicate Codex's cloud hosted review process in our own CI/CD runners. In this guide, we'll build our own Code Review action using the Codex CLI headless mode with both GitHub Actions and Jenkins.
 
-To build our own Code review, we'll take the following steps:
+To build our own Code review, we'll take the follong stes:
 
 1. Install the Codex CLI in our CI/CD runner
 2. Prompt Codex in headless (exec) mode with the Code Review prompt that ships with the CLI
 3. Specify a structured output JSON schema for Codex
 4. Parse the JSON result and use it to make API calls to our SCM to create review comments
 
 Once implemented, Codex will be able to leave inline code review comments:
-<img src="../../images/codex_code_review.png" alt="Codex Code Review in GitHub" width="500"/>
+`<img src="../../images/codex_code_review.png" alt="Codex Code Review in GitHub" width="500"/>`
 
 ## The Code Review Prompt