Update CHANGES.md

[wuhulala]

fixed some word grammar

[codecov-io]

Codecov Report

Merging #2978 into master will decrease coverage by 0.13%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #2978      +/-   ##
==========================================
- Coverage   64.08%   63.94%   -0.14%     
==========================================
  Files         584      584              
  Lines       26059    26059              
  Branches     4562     4562              
==========================================
- Hits        16700    16664      -36     
- Misses       7184     7217      +33     
- Partials     2175     2178       +3

Impacted Files	Coverage Δ
.../remoting/transport/netty4/NettyClientHandler.java	75% <0%> (-13.89%)	⬇️
...ache/dubbo/remoting/transport/AbstractChannel.java	75% <0%> (-12.5%)	⬇️
...che/dubbo/remoting/transport/mina/MinaChannel.java	43.42% <0%> (-10.53%)	⬇️
...e/dubbo/remoting/transport/netty/NettyChannel.java	57.64% <0%> (-4.71%)	⬇️
.../apache/dubbo/remoting/transport/AbstractPeer.java	58.69% <0%> (-4.35%)	⬇️
...ubbo/rpc/protocol/dubbo/ChannelWrappedInvoker.java	45.83% <0%> (-4.17%)	⬇️
...dubbo/remoting/exchange/support/DefaultFuture.java	67.11% <0%> (-4.03%)	⬇️
...he/dubbo/remoting/transport/netty/NettyServer.java	67.85% <0%> (-3.58%)	⬇️
...org/apache/dubbo/rpc/protocol/AbstractInvoker.java	62.9% <0%> (-3.23%)	⬇️
...a/org/apache/dubbo/monitor/dubbo/DubboMonitor.java	87.85% <0%> (-1.87%)	⬇️
... and 3 more

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