Update readme

README.md

@@ -2,13 +2,17 @@
 
 This package provides common classes shared by [`amphp/mysql`](https://github.com/amphp/mysql) and [`amphp/postgres`](https://github.com/amphp/postgres).
 
+## Requirements
+
+- PHP 8.1+
+
 ## Versioning
 
-`amphp/sql` follows the [semver](http://semver.org/) semantic versioning specification like all other `amphp` packages.
+`amphp/sql-common` follows the [semver](http://semver.org/) semantic versioning specification like all other `amphp` packages.
 
 ## Security
 
-If you discover any security related issues, please email [`contact@amphp.org`](mailto:contact@amphp.org) instead of using the issue tracker.
+If you discover any security related issues, please use the private security issue reporter instead of using the public issue tracker.
 
 ## License