Wording for licensing clarified

README.md

@@ -64,11 +64,15 @@ F.Morenius, and 10 others.
 
 # Licensing
 
-Mongoose is released under
-[GNU GPL v.2](http://www.gnu.org/licenses/old-licenses/gpl-2.0.html).
-Businesses have an option to get non-restrictive, royalty-free commercial
-license and professional support from
-[Cesanta Software](http://cesanta.com).
+Mongoose is released under commercial and
+[GNU GPL v.2](http://www.gnu.org/licenses/old-licenses/gpl-2.0.html) open
+source licenses. The GPLv2 open source License does not generally permit
+incorporating this software into non-open source programs. 
+For those customers who do not wish to comply with the GPLv2 open
+source license requirements,
+[Cesanta Software](http://cesanta.com) offers a full,
+royalty-free commercial license and professional support
+without any of the GPL restrictions.
 
 # Other products by Cesanta Software: simple and effective