diff --git a/pep-0606.rst b/pep-0606.rst
index 0fb45ea28..d50f1b136 100644
--- a/pep-0606.rst
+++ b/pep-0606.rst
@@ -136,8 +136,8 @@ One of the `Zen of Python (PEP 20)
 When Python evolves, new ways emerge inevitably. ``DeprecationWarning``
 are emitted to suggest to use the new way, but many developers ignore
 these warnings, which are silent by default (except in the ``__main__``
-module: see the `PEP 565 <https://www.python.org/dev/peps/pep-0565/>_`).
-Some developers simply ignore all warnings since they are too many
+module: see the `PEP 565 <https://www.python.org/dev/peps/pep-0565/>`_).
+Some developers simply ignore all warnings when there are too many
 warnings, and so only bother with exceptions when deprecated code is
 removed.
 
@@ -148,14 +148,14 @@ change is backward incompatible.
 Some developers can take the end of the Python 2 support as an
 opportunity to push even more incompatible changes than usual.
 
-Adding backward compatibility as an opt-in prevents to break
+Adding an opt-in backward compatibility prevents to break
 applications and allows developers to continue to do such cleanup.
 
 
 Redistribute the maintenance burden
 -----------------------------------
 
-The backward compatibility involves authors of backward incompatible
+The backward compatibility involves authors of incompatible
 changes more in the upgrade path.
 
 
@@ -205,16 +205,16 @@ compatibility is requested::
 Deprecated open() "U" mode
 --------------------------
 
-The "U" mode of ``open()`` is deprecated since Python 3.4 and emits a
+The ``"U"`` mode of ``open()`` is deprecated since Python 3.4 and emits a
 ``DeprecationWarning``.  The `bpo-37330
 <https://bugs.python.org/issue37330>`_ proposes to drop this mode:
-``open()`` would raise an exception if ``U`` mode is used.
+``open(filename, "rU")`` would raise an exception.
 
 This change falls into the "cleanup" category: it is not required to
 implement a feature.
 
 A backward compatibility mode would be trivial to implement and would be
-welcomed here by users.
+welcomed by users.
 
 
 Specification
@@ -306,10 +306,10 @@ Alternatives
 Provide a workaround for each incompatible change
 -------------------------------------------------
 
-An application can works around most of the incompatible changes which
+An application can work around most incompatible changes which
 impacts it.
 
-For example, ``collections`` aliases can be added again using::
+For example, ``collections`` aliases can be added back using::
 
     import collections.abc
     collections.Mapping = collections.abc.Mapping