diff --git a/readme b/readme
index 8427f50..0b9e4fb 100644
--- a/readme
+++ b/readme
@@ -10,3 +10,7 @@ work-i386-comps.xml : trimmed down c6-i386-comps.xml designed as alternative for
 offers task / group / package selection
 work-x86_64-comps.xml : trimmed down c6-x86_64-comps.xml designed as alternative for Lightweight server edition;
 offers task / group / package selection
+
+the .lst files contain package lists to be used for the corrosponding builds
+every rpm that should be on the isos should be mentioned in those files
+names of the .lst files needs to match the corosponding comps files