README.md: 275+ cars (#33048)

275+ cars
old-commit-hash: 93eb7ee0cc

README.md

@@ -19,7 +19,7 @@ To start using openpilot in a car
 To use openpilot in a car, you need four things:
 1. **Supported Device:** a comma 3/3X, available at [comma.ai/shop](https://comma.ai/shop/comma-3x).
 2. **Software:** The setup procedure for the comma 3/3X allows users to enter a URL for custom software. Use the URL `openpilot.comma.ai` to install the release version.
-3. **Supported Car:** Ensure that you have one of [the 250+ supported cars](docs/CARS.md).
+3. **Supported Car:** Ensure that you have one of [the 275+ supported cars](docs/CARS.md).
 4. **Car Harness:** You will also need a [car harness](https://comma.ai/shop/car-harness) to connect your comma 3/3X to your car.
 
 We have detailed instructions for [how to install the harness and device in a car](https://comma.ai/setup). Note that it's possible to run openpilot on [other hardware](https://blog.comma.ai/self-driving-car-for-free/), although it's not plug-and-play.