Update README

README.md

@@ -8,9 +8,9 @@ This is designed to be a lightweight educational tool to show you the basics of
 
 There are no tests, no checks, no security features, no header verifications, no containers, no gods, no masters.
 
-Edit the `.php` file to add a username, password, and keypair.
+Edit the `index.php` file to add a username, password, and keypair.
 
-Upload the `.php` and `.htaccess` file to the *root* directory of your domain. For example `test.example.com/`. It will not work in a subdirectory.
+Upload `index.php` and `.htaccess` to the *root* directory of your domain. For example `test.example.com/`. It will not work in a subdirectory.
 
 Optionally, upload an `icon.png` as well to make the account look nice.
 
@@ -20,3 +20,10 @@ Optionally, upload an `icon.png` as well to make the account look nice.
 * The `index.php` file performs a specific action depending on the path requested.
 * Log files are saved as .txt in the `/logs` directory.
 * Post files are saved as .json in the `/posts` directory.
+
+##	Requirements
+
+* PHP 8.3 (We live in the future now)
+* The [OpenSSL Extension](https://www.php.net/manual/en/book.openssl.php) (This is usually installed by default)
+* HTTPS certificate (Let's Encrypt is fine)
+* 50MB free disk space (ActivityPub is a very "chatty" protocol. Expect lots of logs.)