1 files changed, 1 insertions, 0 deletions

diff --git a/ref/README b/ref/README
index 70d9e39..ed8a58d 100644
--- a/ref/README
+++ b/ref/README
@@ -1 +1,2 @@
 https://wiki.osdev.org/
+https://www.embecosm.com/appnotes/ean9/ean9-howto-newlib-1.0.html