diff --git a/README.md b/README.md
index 55ae79c..0b80785 100644
--- a/README.md
+++ b/README.md
@@ -17,7 +17,7 @@ NcbiReportToContigMap is part of BIOPET tool suite that is developed at LUMC by
 Each tool in the BIOPET tool suite is meant to offer a standalone function that can be used to perform a
 dedicate data analysis task or added as part of [BIOPET pipelines](http://biopet-docs.readthedocs.io/en/latest/).
 
-All tools in the BIOPET tool suite are [Free](https://www.gnu.org/philosophy/free-sw.html) and
+All tools in the BIOPET tool suite are [Free/Libre](https://www.gnu.org/philosophy/free-sw.html) and
 [Open Source](https://opensource.org/osd) Software.