README: add CoC info
diff --git a/README b/README
index 6d93228..7a862b4 100644
--- a/README
+++ b/README
@@ -4,3 +4,11 @@
   The libmbim-glib library is released under the LGPLv2+ license.
   The mbimcli tool is released under the GPLv2+ license.
+Code of Conduct.
+Please note that this project is released with a Contributor Code of Conduct.
+By participating in this project you agree to abide by its terms, which you can
+find in the following link:
+CoC issues may be raised to the project maintainers at the following address: