diff --git a/wolfHSM/src/chapter01.md b/wolfHSM/src/chapter01.md
index a4a756fd..d35610c2 100644
--- a/wolfHSM/src/chapter01.md
+++ b/wolfHSM/src/chapter01.md
@@ -4,7 +4,7 @@ This manual is written as a technical guide to the wolfHSM embedded hardware sec
 will explain how to build and get started with wolfHSM, provide an overview of build
 options, features, portability enhancements, support, and much more.
 
-You can find the PDF version of this document [here](https://www.wolfssl.com/documentation/manuals/wolfHSM/wolfHSM-Manual.pdf).
+You can find the PDF version of this document [here](https://www.wolfssl.com/documentation/manuals/wolfhsm/wolfHSM-Manual.pdf).
 
 ## Why Choose wolfHSM?