docs: update guide to reflect recent code/file changes

README.md

@@ -3,7 +3,7 @@
 ## Running the project in development mode
 
 - Clone this repository by running `git clone https://github.com/NIAEFEUP/enei-website.git`.
-- Navigate to the newly created folder and copy the `env.development` file, renaming it `.env`.
+- Navigate to the newly created folder and copy the `env.example` file, renaming it `.env`.
 - Assuming you've already installed PHP, Composer and Node.js, simply run `./dev.sh` and access `localhost:8000`: the website should be available.
 
 ## Troubleshooting
@@ -14,8 +14,8 @@ In case you come up with some unforeseen errors that you simply cannot find out
 
 ### "*Your requirements could not be resolved to an installable set of packages.*"
 
-This error might appear after `dev.sh` runs `composer update` when your device is missing a crucial PHP package. Look for a line like this: 
+This error might appear after `dev.sh` runs `composer update` when your device is missing a crucial PHP package. Look for a line like this:
 
 `- league/mime-type-detection[1.4.0, ..., 1.15.0] require ext-fileinfo * -> it is missing from your system. Install or enable PHP's fileinfo extension.`
 
-The extension can be different, but in this case, you should install the `php8-fileinfo` package or enable it in your `/etc/php8/cli/php.ini` file by removing the semicolon in `;extension=fileinfo`, in case it is already installed.
+The extension can be different, but in this case, you should install the `php8-fileinfo` package or enable it in your `php.ini` file (located at `/etc/php/<version>/cli/` or `/etc/php<version>/cli/`) by removing the semicolon in `;extension=fileinfo`, in case it is already installed.