Fix incorrect grammar in Misc/NEWS.

diff --cc Misc/NEWS
index b007695d3dc74dc9b9c0428e5829f6f551e3020e,80e02b431a41785f547a31184dd496f8699860e3..e0fd52d58798a2d267b21704ad014b2a6a003f35
--- 1/Misc/NEWS
--- 2/Misc/NEWS
+++ b/Misc/NEWS
@@@ -217,25 -140,18 +216,25 @@@ Librar
  
  - Issue #9586: Redefine SEM_FAILED on MacOSX to keep compiler happy.
  
 -- Issue 10527: make multiprocessing use poll() instead of select() if available.
 +- Issue #16787: Increase asyncore and asynchat default output buffers size, to
 +  decrease CPU usage and increase throughput.
 +
 +- Issue #10527: make multiprocessing use poll() instead of select() if available.
  
- - Issue #16688: Fix backreferences did make case-insensitive regex fail on
-   non-ASCII strings. Patch by Matthew Barnett.
+ - Issue #16688: Now regexes contained backreferences correctly work with
+   non-ASCII strings.  Patch by Matthew Barnett.
  
- - Issue #16486: Make aifc files work with 'with' as context managers.
++- Issue #16486: Make aifc files act as context managers.
 +
- - Issue #16485: Fix file descriptor not being closed if file header patching
-   fails on closing of aifc file.
+ - Issue #16485: Now file descriptors are closed if file header patching failed
+   on closing an aifc file.
  
- - Issue #16165: Fix sched.scheduler.run() method was block a scheduler for
-   other threads.
 +- Issue #16640: Run less code under a lock in sched module.
 +
+ - Issue #16165: sched.scheduler.run() no longer blocks a scheduler for other
+   threads.
  
- - Issue #16641: Fix default values of sched.scheduler.enter arguments were
+ - Issue #16641: Default values of sched.scheduler.enter() are no longer
    modifiable.
  
  - Issue #16504: IDLE now catches SyntaxErrors raised by tokenizer. Patch by