update description in README.md

Author: voidquark

README.md

@@ -2,7 +2,7 @@
 
 [![License](https://img.shields.io/github/license/voidquark/el_patching)](LICENSE)
 
-Apply OS patches on Enterprise Linux machines (e.g. RHEL, CentOS, Rocky, Alma, Fedora ). You can decide which patching method you want to use. There are 3 methods:
+Apply OS patches on Enterprise Linux (RHEL) and other Red Hat derivatives (e.g. CentOS, Rocky, Alma, Fedora). You can decide which patching method you want to use. There are 3 methods:
 
 - `all` - Apply all patches on target a host
 - `security` - Apply only security patches on target a host