diff --git a/pep-0670.rst b/pep-0670.rst
index 4381c3551..9a8a8e8ed 100644
--- a/pep-0670.rst
+++ b/pep-0670.rst
@@ -15,7 +15,8 @@ Abstract
 Convert macros to static inline functions or regular functions.
 
 Remove the return value of macros having a return value, whereas they
-should not, to detect bugs in C extensions when the C API is misused.
+should not, to aid detecting bugs in C extensions when the C API is
+misused.
 
 Some function arguments are still cast to ``PyObject*`` to prevent
 emitting new compiler warnings.
@@ -25,8 +26,8 @@ Rationale
 =========
 
 The use of macros may have unintended adverse effects that are hard to
-avoid, even for experienced C developers. Some issues have been known for
-years, while others have been discovered recently in Python.
+avoid, even for experienced C developers. Some issues have been known
+for years, while others have been discovered recently in Python.
 Working around macro pitfalls makes the macro coder harder to read and
 to maintain.
 
@@ -67,9 +68,9 @@ common macro pitfalls:
 Performance and inlining
 ========================
 
-Static inline functions is a feature added to the C99 standard. Modern
-C compilers have efficient heuristics to decide if a function should be inlined
-or not.
+Static inline functions is a feature added to the C99 standard. Modern C
+compilers have efficient heuristics to decide if a function should be
+inlined or not.
 
 When a C compiler decides to not inline, there is likely a good reason.
 For example, inlining would reuse a register which require to
@@ -90,8 +91,8 @@ decide if function should be inlined or not.
 Force inlining
 --------------
 
-The ``Py_ALWAYS_INLINE`` macro can be used to force inlining. This macro uses
-``__attribute__((always_inline))`` with GCC and Clang, and
+The ``Py_ALWAYS_INLINE`` macro can be used to force inlining. This macro
+uses ``__attribute__((always_inline))`` with GCC and Clang, and
 ``__forceinline`` with MSC.
 
 So far, previous attempts to use ``Py_ALWAYS_INLINE`` didn't show any
@@ -163,7 +164,8 @@ functions.
 
 The performance impact of such conversion should be measured with
 benchmarks.  If there is a significant slowdown, there should be a good
-reason to do the conversion. One reason can be hiding implementation details.
+reason to do the conversion. One reason can be hiding implementation
+details.
 
 Using static inline functions in the internal C API is fine: the
 internal C API exposes implemenation details by design and should not be
@@ -191,8 +193,8 @@ For example, the ``Py_TYPE(obj)`` macro casts its ``obj`` argument to
 The undocumented private ``_Py_TYPE()`` function must not be called
 directly. Only the documented public ``Py_TYPE()`` macro must be used.
 
-Later, the cast can be removed on a case by case basis, but that is out of
-scope for this PEP.
+Later, the cast can be removed on a case by case basis, but that is out
+of scope for this PEP.
 
 Remove the return value
 -----------------------
@@ -205,8 +207,8 @@ misused in third party C extensions. See `bpo-30459
 notice this issue while reviewing macro code.
 
 These macros are converted to functions using the ``void`` return type
-to remove their return value. Removing the return value aids detecting bugs in
-C extensions when the C API is misused.
+to remove their return value. Removing the return value aids detecting
+bugs in C extensions when the C API is misused.
 
 
 Backwards Compatibility