Update README: Add instructions for a more thorough linter

Merged by EIP-Bot.

Author: potuz

README.md

@@ -41,9 +41,11 @@ All pull requests in this repository must pass automated checks before they can
 
 It is possible to run the EIP validator locally:
 
+Make sure to add cargo's `bin` directory to your environment (typically `$HOME/.cargo/bin` in your `PATH` environment variable)
+
 ```sh
-cargo install eipv
-eipv <INPUT FILE / DIRECTORY>
+cargo install eipw
+eipw --config ./config/eipw.toml <INPUT FILE / DIRECTORY>
 ```
 
 ## Build the status page locally