diff --git a/topics/04_mechanical/index.md b/topics/04_mechanical/index.md
index fb1b122149f9a93f1b1077e1b86117e0a4b05391..393db0ccbf419acd364c441aedc1b60d62ec9fa2 100644
--- a/topics/04_mechanical/index.md
+++ b/topics/04_mechanical/index.md
@@ -1,11 +1,11 @@
 ---
 layout: default
-title: Camera sensors
-nav_order: 2
+title: Mechanical Digitizing
+nav_order: 5
 mathjax: true
 ---
 
-# Camera sensors
+# Mechanical Digitizers
 {: .no_toc}
 
 ## Table of contents