Improve readability of assertion explanation in README.rst (#13851)

Author: HarshaSai1234

README.rst

@@ -79,7 +79,7 @@ To execute it::
     ========================== 1 failed in 0.04 seconds ===========================
 
 
-Due to ``pytest``'s detailed assertion introspection, only plain ``assert`` statements are used. See `getting-started <https://docs.pytest.org/en/stable/getting-started.html#our-first-test-run>`_ for more examples.
+Thanks to ``pytest``'s detailed assertion introspection, you can simply use plain ``assert`` statements. See `getting-started <https://docs.pytest.org/en/stable/getting-started.html#our-first-test-run>`_ for more examples.
 
 
 Features