Update AutoML-NLP.md

[dhruvthakur2000]

834

Why are these changes needed?

Related issue number

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• [x] I've included any doc changes needed for https://microsoft.github.io/FLAML/. See https://microsoft.github.io/FLAML/docs/Contribute#documentation to build and test documentation locally.
• [x] I've added tests (if relevant) corresponding to the changes introduced in this PR.
• [x] I've made sure all auto checks have passed.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Comparison is base (249f0f1) 71.72% compared to head (6439ac9) 71.62%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #1239 +/- ## ========================================== - Coverage 71.72% 71.62% -0.10% ========================================== Files 83 83 Lines 11249 11249 Branches 2360 2360 ========================================== - Hits 8068 8057 -11 - Misses 2726 2736 +10 - Partials 455 456 +1 ``` | [Flag](https://app.codecov.io/gh/microsoft/FLAML/pull/1239/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=microsoft) | Coverage Δ | | |---|---|---| | [unittests](https://app.codecov.io/gh/microsoft/FLAML/pull/1239/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=microsoft) | `71.49% <ø> (-0.10%)` | :arrow_down: | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=microsoft#carryforward-flags-in-the-pull-request-comment) to find out more.

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