diff --git a/tower/introduction.md b/tower/introduction.md
index 7bbbafb..9a6725a 100644
--- a/tower/introduction.md
+++ b/tower/introduction.md
@@ -41,7 +41,7 @@ It is used in industrial applications, STEM education, and hobby projects (home
    [**Step-by-Step Projects**](https://www.hackster.io/hardwario/projects)
 
 1. For detailed information about the TOWER modules and tags, see the chapter:<br/>
-   [**Hardware Modules**](hardware-modules)
+   [**Hardware Modules**](hardware-modules/)
 
 1. To understand hardware layers (not only between the TOWER modules), go to the chapter:<br/>
    [**Hardware Interfaces**](category/hardware-interfaces)