Update README.md

Author: joan-ing

README.md

@@ -28,7 +28,7 @@ Read [our Style Guide](https://pantheon.io/docs/style-guide) for our guidelines
 ```bash
 npm install -g gatsby-cli
 ```
-   - Alternatively, you can use [Lando](https://docs.lando.dev). Use Lando to bypass installing Node.js and the Gatsby CLI on your local machine.
+- Alternatively, you can use [Lando](https://docs.lando.dev). Use Lando to bypass installing Node.js and the Gatsby CLI on your local machine. Lando requires a Docker version in the `2.1.0.0` - `3.1.99` range . 
 
 ### Get the Code