Fix note admonition in mypy integration documentation (pydantic#10717)

docs/integrations/mypy.md

@@ -71,6 +71,7 @@ To enable the plugin, just add `pydantic.mypy` to the list of plugins in your
     ```
 
 !!! note
+
     If you're using `pydantic.v1` models, you'll need to add `pydantic.v1.mypy` to your list of plugins.
 
 See the [plugin configuration](#configuring-the-plugin) for more details.