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Co-authored-by: Stan Ulbrych <stan@python.org>

Author: sobolevn

Doc/library/asyncio-eventloop.rst

@@ -1919,13 +1919,14 @@ By default asyncio is configured to use :class:`EventLoop`.
 
 .. class:: BaseEventLoop
 
-   Abstract base class for asyncio-compliant event loops.
-   Inherits from :class:`AbstractEventLoop` directly.
-
-   Has many methods of ``AbstractEventLoop`` implemented, so end users
-   would have less methods to implement themselfs.
-   But, instead forces to implement some internal protected API methods.
-   See :ref:`writting_custom_event_loop` for more information.
+   A base class that partially implements :class:`AbstractEventLoop`
+   to simplify writing custom event loops.
+
+   It provides default implementations of many :class:`AbstractEventLoop`
+   methods, so subclasses have fewer methods to implement themselves.
+   In return, a subclass is expected to implement a number of internal,
+   protected methods.
+   See :ref:`writing_custom_event_loop` for more information.
 
 
 Examples

Doc/library/asyncio-extending.rst

@@ -12,17 +12,17 @@ classes. Asyncio has helpers that could be used to simplify this task.
 
    Third-parties should reuse existing asyncio code with caution,
    a new Python version is free to break backward compatibility
-   in *internal* part of API.
+   in the *internal* part of the API.
 
 
-.. _writting_custom_event_loop:
+.. _writing_custom_event_loop:
 
 Writing a Custom Event Loop
 ===========================
 
 :class:`asyncio.AbstractEventLoop` declares very many methods.
 See :ref:`asyncio-event-loop-methods` for the full list.
-Implementing all them from scratch is a tedious job.
+Implementing them all from scratch is a tedious job.
 
 A loop can get many common methods implementation for free by inheriting from
 :class:`asyncio.BaseEventLoop`.