Update Doc/library/concurrent.interpreters.rst

Author: AA-Turner

Doc/library/concurrent.interpreters.rst

@@ -134,9 +134,10 @@ makes them similar to processes, but they still enjoy in-process
 efficiency, like threads.
 
 All that said, interpreters do naturally support certain flavors of
-concurrency, as a powerful side effect of that isolation. It enables
-a different approach to concurrency than you can take with async or
-threads. It's a similar concurrency model to CSP or the actor model,
+concurrency.
+There's a powerful side effect of that isolation. It enables a
+different approach to concurrency than you can take with async or
+threads.  It's a similar concurrency model to CSP or the actor model,
 a model which is relatively easy to reason about.
 
 You can take advantage of that concurrency model in a single thread,