diff --git a/BUGS b/BUGS
index 3d4dd29..aa01012 100644
--- a/BUGS
+++ b/BUGS
@@ -6,3 +6,8 @@
  * software in Debian that's not in Gentoo
  * different source package splittings
  * disjunctive dependencies not handled yet
+ * how to handle virtual/* gentoo packages?
+ * no mapping to multiple packets yet
+ * many direct build dependencies of gentoo packages do not appear in debian
+   source packages as they are indirectly pulled in
+ * gentoo packages directly depend on build-essential