Update README.md

Author: Astinator

arch-updater/README.md

@@ -37,7 +37,7 @@ With optional Flatpak support, highlight for Noctalia updates, a refresh timer,
 Settings UI allows for editing commands and changing toggles
 
 ## Requirements
-- The default commands require `paru`, `checkupdates`, `flatpak` and `ghostty` but you can edit them
+- The default commands require `paru`, `pacman-contrib`, `flatpak` and `ghostty` to be installed
 - Designed for Arch, although commands can be edited so it may be possible to make it work on other distros
 - CPU (Optional)