docs: tweak class example

Author: machow

docs/get-started/docstring-examples.qmd

@@ -138,10 +138,7 @@ Linking to functions documented outside your package must be configured in the [
 
 See [this numpydoc page on documenting classes](https://numpydoc.readthedocs.io/en/latest/format.html#documenting-classes).
 
-Be sure to note these two important pieces:
-
-* Document your `__init__` method parameters on the class docstring.
-* You can use an `Attributes` section in your docstring.
+Below is a simple example of a class docstring.
 
 ```python
 class MyClass:
@@ -165,3 +162,9 @@ class MyClass:
     def __init__(self, a: str):
         self.a = a
 ```
+
+Note these two important pieces:
+
+* Document your `__init__` method parameters on the class docstring.
+* You can use an `Attributes` section in your docstring.
+