docs: Changelog typos.

docs/changelog.rst

@@ -56,11 +56,10 @@ Core Library
   every stream that ever communicated with a disappearing peer, rather than
   simply toward parents.
 
-  Conversations between nodes in any level of the connection tree should
-  correctly receive ``DEL_ROUTE`` messages when a participant disconnects,
-  allowing receivers to be woken with :class:`mitogen.core.ChannelError` to
-  signal the connection has broken, even when one participant is not a parent
-  of the other.
+  Conversations between nodes in any level of the tree receive ``DEL_ROUTE``
+  messages when a participant disconnects, allowing receivers to be woken with
+  :class:`mitogen.core.ChannelError` to signal the connection has broken, even
+  when one participant is not a parent of the other.
 
 * `#405 <https://github.com/dw/mitogen/issues/405>`_: if a message is rejected
   due to being too large, and it has a ``reply_to`` set, a dead message is