Refer to Debian with an attribute (#3660)

Co-authored-by: Maximilian Kolb <[email protected]>
(cherry picked from commit f2c82a9)

Author: aneta-petrova

guides/doc-Managing_Content/master.adoc

@@ -6,7 +6,9 @@ include::common/header.adoc[]
 = {ContentManagementDocTitle}
 
 ifdef::foreman-deb[]
-The Katello plugin required to manage content in Foreman is not supported on Debian/Ubuntu.
+The Katello plugin required to manage content in Foreman is not supported for {Project} on {DL}.
+
+With {Project} and Katello on {EL}, you can provide content to hosts running {DL}.
 endif::[]
 
 ifdef::foreman-el,foreman-deb[]

guides/doc-Managing_Security_Compliance/master.adoc

@@ -6,7 +6,7 @@ include::common/header.adoc[]
 = {ManagingSecurityDocTitle}
 
 ifdef::foreman-deb[]
-This feature is not available for Debian/Ubuntu.
+This feature is not available for {Project} on {DL}.
 // Because we don't package foreman_openscap for Debian
 endif::[]
 ifndef::foreman-deb[]