diff --git a/README.md b/README.md
index c3d123f..a74fceb 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,8 @@
 # php-globalsnapshot
 
-Capture the current state of all [PHP superglobal variables](https://www.php.net/manual/en/language.variables.superglobals.php); which can then be restored to that state at a later time.
+Capture the current state of all [PHP superglobal variables](https://www.php.net/manual/en/language.variables.superglobals.php) - which can then be restored to the state of capture at a later time.
+
+**Supports PHP 8.1+**
 
 Example use:
 ```php