fix typo in docs

Author: salty-ivy

docs/architecture.rst

@@ -84,5 +84,5 @@ Problematic Parts
   panels such as ``SQLPanel``, ``TimerPanel``,  ``StaticFilesPanel``,
   ``RequestPanel``, ``RedirectsPanel`` and ``ProfilingPanel`` aren't fully
   compatible and currently being worked on. For now, these panels
-  are disabled by default when running in async/ASGI enviroment.
+  are disabled by default when running in async/ASGI environment.
   follow the progress of this issue in `Async compatible toolbar project <https://github.com/orgs/jazzband/projects/9>`_.