Last nits to details.rst

Author: crazybolillo

doc/data/messages/u/use-yield-from/details.rst

@@ -2,9 +2,9 @@
 requested generator. This enables the caller to directly communicate with the generator (e.g. using :code:`send()`).
 This communication is not possible when manually yielding each element one by one in a loop.
 
-PEP 380 describes the possibility of adding optimizations specific to :code:`yield from`. It looks like said
-implementations have not been implemented as of the time of writing. Even without said optimizations, the following
-snippets shows that :code:`yield from` is marginally faster.
+PEP 380 describes the possibility of adding optimizations specific to :code:`yield from`. It looks like they
+have not been implemented as of the time of writing. Even without said optimizations, the following snippet shows
+that :code:`yield from` is marginally faster.
 
 .. code-block:: sh