Use GPL3 license

1 files changed, 9 insertions, 2 deletions

diff --git a/README.md b/README.md
index 787cfa0..7b700b2 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,9 @@
 # guix-bioinformatics
 
-Bioinformatics packages for GNU Guix that are used in http://genenetwork.org/.
-See [Guix Notes](https://github.com/pjotrp/guix-notes/blob/master/HACKING.org) for hacking GNU Guix.
+Bioinformatics packages for GNU Guix that are used in
+http://genenetwork.org/.  See
+[Guix Notes](https://github.com/pjotrp/guix-notes/blob/master/HACKING.org)
+for installing and hacking GNU Guix.
 
 Set the GUIX_PACKAGE_PATH to point to the root of this directory
 before running Guix. E.g.
@@ -34,3 +36,8 @@ Install the common workflow language tool cwltool with
     guix package -i r-qtl r
     R
       library(qtl)
+
+## LICENSE
+
+These package descriptions are distributed by the same license as GNU
+Guix, i.e. GPL3+