diff --git a/docs/upgrade/1_to_2.md b/docs/upgrade/1_to_2.md
index e063c49d..f5b3b085 100644
--- a/docs/upgrade/1_to_2.md
+++ b/docs/upgrade/1_to_2.md
@@ -3,6 +3,7 @@ layout: default
 title: Upgrade from Part-DB 1.x to 2.x
 nav_order: 1
 has_children: false
+parent: Upgrade
 ---
 
 # Upgrade from Part-DB 1.x to 2.x
diff --git a/docs/upgrade/upgrade_legacy.md b/docs/upgrade/upgrade_legacy.md
index 39257a11..4dd29e4d 100644
--- a/docs/upgrade/upgrade_legacy.md
+++ b/docs/upgrade/upgrade_legacy.md
@@ -3,6 +3,7 @@ layout: default
 title: Upgrade from legacy Part-DB version (<1.0)
 nav_order: 100
 redirect_from: /upgrade_legacy
+parent: Upgrade
 ---
 
 # Upgrade from legacy Part-DB version