Update pages/linux/dnf.md

Co-authored-by: cyqsimon <28627918+cyqsimon@users.noreply.github.com>

pages/linux/dnf.md

@@ -1,7 +1,7 @@
 # dnf
 
 > Package management utility for RHEL, Fedora, and CentOS (replaces yum).
-> Some subcommands such as `config-manager` have their own usage documentation.
+> Some subcommands such as `group` and `config-manager` have their own usage documentation.
 > For equivalent commands in other package managers, see <https://wiki.archlinux.org/title/Pacman/Rosetta>.
 > More information: <https://dnf.readthedocs.io>.