diff --git a/rhel8/software.md b/rhel8/software.md
index c16c6fe2..2849e1bc 100644
--- a/rhel8/software.md
+++ b/rhel8/software.md
@@ -89,6 +89,8 @@ base::package_exclude:
 ```
 This list is merged over the full Hiera hierachy, so there is no need to copy exclusions from higher levels when creating an exclusion on a low level.
 
+This list can also be used to opt out packages from other, maybe inherited package groups. But unlike the `:absent` tag it will not uninstall a package when found.
+
 ### Install Debuginfo Packages
 
 The package repositories for debuginfo packages are disabled by default. To spontaneously install such a package, do