diff --git a/docs/chapter2/section1.md b/docs/chapter2/section1.md
index 94af096..fb9869c 100644
--- a/docs/chapter2/section1.md
+++ b/docs/chapter2/section1.md
@@ -1,7 +1,7 @@
 ---
 layout: default
 title: Section 1
-nav_order: 2
+nav_order: 1
 parent: Chapter 2
 ---
 # A Page
diff --git a/docs/chapter2/section2.md b/docs/chapter2/section2.md
index 0f14988..761dbb9 100644
--- a/docs/chapter2/section2.md
+++ b/docs/chapter2/section2.md
@@ -1,7 +1,7 @@
 ---
 layout: default
 title: Section 2
-nav_order: 3
+nav_order: 2
 parent: Chapter 2
 ---
 # A Page
diff --git a/docs/chapter2/sub_chapter1/section1.md b/docs/chapter2/sub_chapter1/section1.md
index 684f72f..f16bb83 100644
--- a/docs/chapter2/sub_chapter1/section1.md
+++ b/docs/chapter2/sub_chapter1/section1.md
@@ -1,7 +1,7 @@
 ---
 layout: default
 title: Section 1
-nav_order: 2
+nav_order: 1
 parent: Sub Chapter 1
 grandparent: Chapter 2
 ---
diff --git a/docs/chapter2/sub_chapter1/section2.md b/docs/chapter2/sub_chapter1/section2.md
index e87ed30..c987428 100644
--- a/docs/chapter2/sub_chapter1/section2.md
+++ b/docs/chapter2/sub_chapter1/section2.md
@@ -1,7 +1,7 @@
 ---
 layout: default
 title: Section 2
-nav_order: 3
+nav_order: 2
 parent: Sub Chapter 1
 grandparent: Chapter 2
 permalink: /docs/chapter-2