diff --git a/packages/gatsby-theme-mdx/src/components/sidebar.mdx b/packages/gatsby-theme-mdx/src/components/sidebar.mdx
index cc1332338..bc63bc318 100644
--- a/packages/gatsby-theme-mdx/src/components/sidebar.mdx
+++ b/packages/gatsby-theme-mdx/src/components/sidebar.mdx
@@ -1,5 +1,5 @@
- [Introduction](/)
-- [Getting Started](/getting-started)
+- [Getting Started](/getting-started/)
- [Next.js](/getting-started/next)
- [Gatsby](/getting-started/gatsby)
- [Create React App](/getting-started/create-react-app)
@@ -9,7 +9,7 @@
- [Zero](/getting-started/zero)
- [Table of components](/table-of-components)
- [Playground _alpha_](/playground)
-- [Guides](/guides)
+- [Guides](/guides/)
- [Syntax highlighting](/guides/syntax-highlighting)
- [Live code editor](/guides/live-code)
- [Math blocks](/guides/math-blocks)
@@ -19,7 +19,7 @@
- [Wrapper customization](/guides/wrapper-customization)
- [Render MDX to the terminal](/guides/terminal)
- [Vue _alpha_](/guides/vue)
-- [Advanced](/advanced)
+- [Advanced](/advanced/)
- [API](/advanced/api)
- [Runtime](/advanced/runtime)
- [AST](/advanced/ast)
@@ -31,7 +31,7 @@
- [Contributing](/contributing)
- [Projects](/projects)
- [Editors](/editors)
-- [Blog](/blog)
+- [Blog](/blog/)
- [About](/about)
- [Migrating from v0 to v1](/migrating/v1)
- [V0](https://v0.mdxjs.com)