Fix typo in README.md
@ -53,7 +53,7 @@ Official release note please check ReleaseNotes.pdf
* TP-Link Archer T3U
* TP-Link Archer T3U Plus
* TP-Link Archer T4U V3
* TP-Link Archer T4U PLus
* TP-Link Archer T4U Plus
</details>
<details>
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