diff --git a/pl/web/design/github-primer.txt b/pl/web/design/github-primer.txt
index ef48db447..da2ea6138 100644
--- a/pl/web/design/github-primer.txt
+++ b/pl/web/design/github-primer.txt
@@ -1,2 +1,5 @@
+https://primer.style/design/
+https://primer.style/design/foundations/color
+
 2018
 https://medium.com/@broccolini/design-systems-at-github-c8e5378d2542