diff --git a/README.md b/README.md
index 1843f95..32f0d84 100644
--- a/README.md
+++ b/README.md
@@ -24,6 +24,7 @@ You can also add new domains as links, isolate sites, manage various services, a
 
 PHP Monitor is a universal application that runs natively on Apple Silicon **and** Intel-based Macs.
 
+* Your user account can administer your computer (required for some functionality, e.g. certificate generation)
 * macOS 11 Big Sur or higher (supports macOS 12 Monterey)
 * Homebrew is installed in `/usr/local/homebrew` or `/opt/homebrew`
 * Homebrew `php` formula is installed