diff --git a/etc/platform-configs/laki/package-list b/etc/platform-configs/laki/package-list
index 6c950a0..5fcd86d 100644
--- a/etc/platform-configs/laki/package-list
+++ b/etc/platform-configs/laki/package-list
@@ -44,6 +44,18 @@ performance/vampirtrace/(5.14.3,5.14.4):	mpi/openmpi/(1.6.4,1.7.1)  | cuda/(4.2,
 # performance/vampirtrace/5.14.4:	mpi/openmpi/1.6.4->compiler/gnu/4.7.1 cuda/4.2
 # performance/vampirtrace/5.14.4:	mpi/openmpi/1.6.4->compiler/intel/13.1.2 cuda/4.2
 #
+# *:  mpi/openmpi/1.6.4
+# is equivalent to
+# *:  mpi/openmpi/1.6.4{*}
+#
+# numlib/fftw/3.3.0:			mpi/openmpi/(1.6.4,1.7.1)
+# # numlib/fftw/3.3.0:			mpi/openmpi/1.6.4
+# # numlib/fftw/3.3.0:			mpi/openmpi/1.7.1
+#
+# performance/vampirtrace/5.14.4:	mpi/openmpi/(1.6.4,1.7.1) | numlib/fftw/3.3.0{1.6.4,1.7.1}
+# # performance/vampirtrace/5.14.4:       mpi/openmpi/1.6.4 numlib/fftw/3.3.0 mpi/openmpi/1.6.4
+# # performance/vampirtrace/5.14.4:       mpi/openmpi/1.7.1 numlib/fftw/3.3.0{mpi/openmpi/1.7.1{copiler/intel/13.1.2}}
+#
 # How to create installation paths including dependencies?
 # Current
 # --prefix=performance/vampirtrace/5.14.3/mpi/openmpi-1.6.4-gnu-4.6.3-cuda-4.2