[KYUUBI #4864] [DOCS] Fix grammar in HA section

### _Why are the changes needed?_
The upgrade section states <code>Kyuubi server supports **stop** gracefully</code>.  Update to <code>Kyuubi server supports **stopping** gracefully</code>

### _How was this patch tested?_
- [ ] Add some test cases that check the changes thoroughly including negative and positive cases if possible

- [ ] Add screenshots for manual tests if appropriate

- [ ] [Run test](https://kyuubi.readthedocs.io/en/master/develop_tools/testing.html#running-tests) locally before make a pull request

Closes #4864 from mans2singh/ISSUE-4863.

Closes #4864

5e853f84e [mans2singh] Updated key features section

Authored-by: mans2singh <mans2singh@yahoo.com>
Signed-off-by: Cheng Pan <chengpan@apache.org>
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mans2singh 2023-05-21 22:26:17 +08:00 committed by Cheng Pan
parent 571bfa3ce7
commit 974fa73cac
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@ -39,7 +39,7 @@ Using multiple Kyuubi service units with load balancing instead of a single unit
- High concurrency
- By adding or removing Kyuubi server instances can easily scale up or down to meet the need of client requests.
- Upgrade smoothly
- Kyuubi server supports stop gracefully. We could delete a `k.i.` but not stop it immediately.
- Kyuubi server supports stopping gracefully. We could delete a `k.i.` but not stop it immediately.
In this case, the `k.i.` will not take any new connection request but only operation requests from existing connections.
After all connection are released, it stops then.
- The dependencies of Kyuubi engines are free to change, such as bump up versions, modify configurations, add external jars, relocate to another engine home. Everything will be reloaded during start and stop.