update readme again

diff --git a/README.md b/README.md
index ef4d6d1..2cbe8bd 100644
--- a/README.md
+++ b/README.md
@@ -20,3 +20,6 @@ A few cases may use other arrangement

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

+# License
+
+Each library package has its own Open Source License include on its folder tree.
\ No newline at end of file