Use GitHub admonition for note in README

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: DouweM

README.md

@@ -2,6 +2,13 @@
 
 Extract coding rules from PR review comments and generate `AGENTS.md` files for any GitHub repository.
 
+> [!NOTE]
+> This project is 100% vibecoded, and the pipeline and thresholds have been optimized for the [`pydantic-ai`](https://github.com/pydantic/pydantic-ai) repo primarily.
+>
+> If the pipeline generates unexpected rules for your repo, whether invalid or duplicate or otherwise unhelpful, you're encouraged to tell Claude (or your coding agent of choice) to investigate the issue (by referring to the generated rule IDs) and make changes to the pipeline until it does what you want.
+>
+> It's expected that some teams will use their own fork of `braindump` that evolves over time to meet their needs: there's no expectation that the version in this repo will work for absolutely everyone, so you don't need to upstream changes unless you believe they are strictly better for every user than what came before.
+
 ## How it works
 
 ```
@@ -54,12 +61,6 @@ export BRAINDUMP_REPO=pydantic/pydantic-ai
 uv run braindump run --since 2025-10-01
 ```
 
-Note that this project is 100% vibecoded, and the pipeline and thresholds have been optimized for the [`pydantic-ai`](https://github.com/pydantic/pydantic-ai) repo primarily. 
-
-If the pipeline generates unexpected rules for your repo, whether invalid or duplicate or otherwise unhelpful, you're encouraged to tell Claude (or your coding agent of choice) to investigate the issue (by referring to the generated rule IDs) and make changes to the pipeline until it does what you want.
-
-It's fine and expected if different teams use their own fork of `braindump` that evolves over time to meet their needs: there's no expectation that the version in this repo will work for absolutely everyone, so you don't need to upstream changes unless you believe they are strictly better for every user than what came before.
-
 ## Commands
 
 All stages support `--concurrency N` to control parallel LLM/API requests and `--fresh` to wipe previous outputs before running.