diff --git a/agents/code-reviewer/AGENT.md b/agents/code-reviewer/AGENT.md
index c459ec1..42ce66b 100644
--- a/agents/code-reviewer/AGENT.md
+++ b/agents/code-reviewer/AGENT.md
@@ -25,7 +25,9 @@ You will receive a PR number to review. Follow this process:
    - **Test Coverage**: Missing tests, untested edge cases
 3. Generate a structured review comment
 4. Post the review using `tea comment <number> "<review body>"`
-5. **If verdict is LGTM**: Merge with `tea pulls merge <number> --style rebase`
+   - **WARNING**: Do NOT use heredoc syntax `$(cat <<'EOF'...)` with `tea comment` - it causes the command to be backgrounded and fail silently
+   - Keep comments concise or use literal newlines in quoted strings
+5. **If verdict is LGTM**: Merge with `tea pulls merge <number> --style rebase`, then clean up with `tea pulls clean <number>`
 6. **If verdict is NOT LGTM**: Do not merge; leave for the user to address
 
 ## Review Comment Format