diff --git a/_Sidebar.md b/_Sidebar.md
index 2512d1c..abbee30 100644
--- a/_Sidebar.md
+++ b/_Sidebar.md
@@ -29,6 +29,7 @@
 - [[Container|container-api]]
   - [[Binary tree layout|binary-tree-layout]]
   - [[Grid layout|grid-layout]]
+  - [[Margin and padding|margin-and-padding]]
   - [[Keyboard focus|keyboard-focus]]
   - [[Placing widgets|placing-widgets]]
   - [[Container style|container-style]]