diff --git a/mkdocs.yml b/mkdocs.yml
index a4ae9aea9a9c76c0b33b27b0f26ce2cbd8c4750f..e55b2c3abb03e4bc6239d4cd541d1b6cdc542a5e 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -34,3 +34,5 @@ markdown_extensions:
 extra_javascript:
   - 'https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.3/MathJax.js?config=TeX-AMS_HTML'
   - 'mathjaxhelper.js'
+
+copyright: "Copyright © 2017-2018 Delft University of Technology, CC-BY-SA-NC 4.0."