Further updates to README.md

1 files changed, 18 insertions, 9 deletions

diff --git a/README.md b/README.md
index 32b419a7..60855bfd 100644
--- a/README.md
+++ b/README.md
@@ -11,19 +11,28 @@ verified using the Coq proof assistant: the generated assembly code is
 formally guaranteed to behave as prescribed by the semantics of the
 source C code.
 
-CompCert is an ongoing research project.  The present release is an
-advanced prototype intended for research, educational and evaluation
-purposes.
-
 For more information on CompCert (supported platforms, supported C
 features, installation instructions, using the compiler, etc), please
-refer to the [user's manual](http://compcert.inria.fr/man/).
+refer to the [Web site](http://compcert.inria.fr/) and especially
+the [user's manual](http://compcert.inria.fr/man/).
+
+## License
+CompCert is not free software.  This non-commercial release can only
+be used for evaluation, research, educational and personal purposes.
+A commercial version of CompCert, without this restriction and with
+professional support, can be purchased from
+[AbsInt](http://www.absint.com).  See the file `LICENSE` for more
+information.
 
 ## Copyright
 The CompCert verified compiler is Copyright 2004, 2005, 2006, 2007,
-2008, 2009, 2010, 2011, 2012, 2013, 2014 Institut National de Recherche en
-Informatique et en Automatique (INRIA).  It is distributed under the
-conditions stated in file `LICENSE`.
+2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 Institut National de
+Recherche en Informatique et en Automatique (INRIA).
 
 ## Contact
-The authors can be contacted by e-mail at compcert@yquem.inria.fr.
+General discussions on CompCert take place on the
+[compcert-users@inria.fr](https://sympa.inria.fr/sympa/info/compcert-users)
+mailing list.
+
+For inquiries on the commercial version of CompCert, please contact
+info@absint.com