docs: improve formatting and document structure

Change-Id: I4b0b4cc3eae000aa1c988c5d308c3f78052ad96d
diff --git a/README.md b/README.md
index 8d03a64..45e1500 100644
--- a/README.md
+++ b/README.md
@@ -43,12 +43,11 @@
 ## Contributing
 
 We greatly appreciate contributions to the PSync code base, provided that they are
-licensed under the LGPL 3.0+ or a compatible license (see below).
-If you are new to the NDN software community, please read the
-[Contributor's Guide](https://github.com/named-data/.github/blob/master/CONTRIBUTING.md)
-to get started.
+licensed under the GNU LGPL version 3 or a compatible license.
+If you are new to the NDN software community, please read our [Contributor's Guide](
+https://github.com/named-data/.github/blob/master/CONTRIBUTING.md) to get started.
 
 ## License
 
-PSync is an open source project licensed under the LGPL version 3.
-See [`COPYING.md`](COPYING.md) for more information.
+PSync is free software distributed under the GNU Lesser General Public License version 3.
+See [`COPYING.md`](COPYING.md) for details.