diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 4878d0b..2e9a3a2 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -9,7 +9,9 @@ To get started contributing:
 1. Fork the repo, develop and test your code changes.
 1. Ensure that your code adheres to the existing style.
 1. Ensure that your code has an appropriate set of unit tests which all pass.
-1. Ensure that all tests pass (e.g., by running `npm run test` in the TypeScript package directories).
+1. Ensure that all tests pass for the package(s) you touched:
+   - Python packages (e.g. `okf/`): `pip install -e ".[dev]"` then `pytest`.
+   - TypeScript packages that define a `test` script (e.g. `toolbox/mdcode`): `npm run test`.
 1. Submit a pull request.
 
 ## Contributor License Agreement
diff --git a/okf/SPEC.md b/okf/SPEC.md
index 55d0a46..e2b9ad1 100644
--- a/okf/SPEC.md
+++ b/okf/SPEC.md
@@ -170,11 +170,13 @@ prose, since structure aids both human reading and agent retrieval.
 There are no required body sections. The following section headings have
 **conventional** meaning and SHOULD be used when applicable:
 
-| Heading        | Purpose                                                |
-|----------------|--------------------------------------------------------|
-| `# Schema`     | Structured description of an asset's columns/fields.   |
-| `# Examples`   | Concrete usage examples, often as fenced code blocks.  |
-| `# Citations`  | External sources backing claims in the body. See §8.   |
+| Heading                  | Purpose                                                |
+|--------------------------|--------------------------------------------------------|
+| `# Schema`               | Structured description of an asset's columns/fields.   |
+| `# Examples`             | Concrete usage examples, often as fenced code blocks.  |
+| `# Common query patterns`| Representative queries against the asset, fenced as code. |
+| `# Joins`                | How this asset relates to or joins with others.        |
+| `# Citations`            | External sources backing claims in the body. See §8.   |
 
 ### 4.3 Example: a concept bound to a resource