change numbering

lab-instructions/content/design/_index.md

@@ -1,11 +1,11 @@
 +++
 title = "Design"
-weight = 3
+weight = 2
 chapter = true
-pre = "<b>3. </b>"
+pre = "<b>2. </b>"
 +++
 
-### Chapter 3
+### Chapter 2
 
 # Design
 

lab-instructions/content/iterate/_index.md

@@ -1,11 +1,11 @@
 +++
 title = "Iterate"
-weight = 5
+weight = 4
 chapter = true
-pre = "<b>5. </b>"
+pre = "<b>4. </b>"
 +++
 
-### Chapter 5
+### Chapter 4
 
 # Iterate
 

lab-instructions/content/mock/_index.md

@@ -1,11 +1,11 @@
 +++
 title = "Mock"
-weight = 4
+weight = 3
 chapter = true
-pre = "<b>4. </b>"
+pre = "<b>3. </b>"
 +++
 
-### Chapter 4
+### Chapter 3
 
 # Mock