Add 2019-20 Sienna to readme

old-commit-hash: a20977f450

README.md

@@ -114,7 +114,7 @@ Supported Cars
 | Toyota    | Rav4 Hybrid 2016              | TSS-P             | Stock<sup>3</sup>| 0mph               | 0mph              |
 | Toyota    | Rav4 Hybrid 2017-18           | All               | Stock<sup>3</sup>| 0mph               | 0mph              |
 | Toyota    | Rav4 Hybrid 2019-20           | All               | openpilot        | 0mph               | 0mph              |
-| Toyota    | Sienna 2018                   | All               | Stock<sup>3</sup>| 0mph               | 0mph              |
+| Toyota    | Sienna 2018-20                | All               | Stock<sup>3</sup>| 0mph               | 0mph              |
 
 <sup>1</sup>[Comma Pedal](https://community.comma.ai/wiki/index.php/Comma_Pedal) is used to provide stop-and-go capability to some of the openpilot-supported cars that don't currently support stop-and-go. Here is how to [build a Comma Pedal](https://medium.com/@jfrux/comma-pedal-building-with-macrofab-6328bea791e8). ***NOTE: The Comma Pedal is not officially supported by [comma](https://comma.ai).*** <br />
 <sup>2</sup>2019 Honda Civic 1.6L Diesel Sedan does not have ALC below 12mph. <br />