diff --git a/Features.md b/Features.md
index 705ef79..7bec753 100644
--- a/Features.md
+++ b/Features.md
@@ -1,4 +1,4 @@
-https://www.wolfssl.com
+[wolfSSL User Manual - Chapter 4](https://www.wolfssl.com/docs/wolfssl-manual/ch4/)
 
 ## Sections in chapter 4: