update readme

diff --git a/README.md b/README.md
index ed211c7..9835e03 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,8 @@
 This is a code repository containing various 3rd party library packages used by opensim (as version >= 0.9.3).

-Opensim will avoid to use Nuget whenever possible
+Opensim will avoid to use Nuget whenever possible.
+
+In same cases we may extract and use only the files we need from the packages garbage

 OpenSim checks out with most of these libs precompiled in the bin folder.