Add missing config tabs (#8558)

docs/configuration.md

@@ -208,9 +208,9 @@ Linter plugin configurations are expressed as subsections, e.g.:
     docstring-quotes = "double"
     ```
 
-Ruff respects `pyproject.toml`, `ruff.toml`, and `.ruff.toml` files. All three implement
-an equivalent schema (though in the `ruff.toml` and `.ruff.toml` versions, the
-`[tool.ruff]` header is omitted).
+Ruff respects `pyproject.toml`, `ruff.toml`, and `.ruff.toml` files. All three implement an
+equivalent schema (though in the `ruff.toml` and `.ruff.toml` versions, the `[tool.ruff]` header and
+`tool.ruff` section prefix is omitted).
 
 For a complete enumeration of the available configuration options, see [_Settings_](settings.md).
 
@@ -326,6 +326,8 @@ If you'd prefer to either only lint or only format Jupyter Notebook files, you c
 section specific `exclude` option to do so. For example, the following would only lint Jupyter
 Notebook files and not format them:
 
+=== "pyproject.toml"
+
     ```toml
     [tool.ruff]
     extend-include = ["*.ipynb"]
@@ -334,8 +336,19 @@ extend-include = ["*.ipynb"]
     exclude = ["*.ipynb"]
     ```
 
+=== "ruff.toml"
+
+    ```toml
+    extend-include = ["*.ipynb"]
+
+    [format]
+    exclude = ["*.ipynb"]
+    ```
+
 And, conversely, the following would only format Jupyter Notebook files and not lint them:
 
+=== "pyproject.toml"
+
     ```toml
     [tool.ruff]
     extend-include = ["*.ipynb"]
@@ -344,6 +357,15 @@ extend-include = ["*.ipynb"]
     exclude = ["*.ipynb"]
     ```
 
+=== "ruff.toml"
+
+    ```toml
+    extend-include = ["*.ipynb"]
+
+    [lint]
+    exclude = ["*.ipynb"]
+    ```
+
 Alternatively, pass the notebook file(s) to `ruff` on the command-line directly. For example,
 `ruff check /path/to/notebook.ipynb` will always lint `notebook.ipynb`. Similarly,
 `ruff format /path/to/notebook.ipynb` will always format `notebook.ipynb`.