diff --git a/README.md b/README.md
index e9bbdc1..2e6ff47 100644
--- a/README.md
+++ b/README.md
@@ -33,3 +33,10 @@ Alternatively try a different (shorter, or higher quality) USB cable and check i
 
 https://www.paypal.me/a13tech
 
+
+## more info
+Chip data on archive 
+https://archive.org/details/C.h.i.p.FlashCollection
+backup website for documentation as main website is not working
+http://chip.jfpossibilities.com/
+https://medium.com/@0x1231/nextthingco-pocket-c-h-i-p-flashing-guide-3445492639e