diff --git a/docs/.vitepress/config/sidebar.ts b/docs/.vitepress/config/sidebar.ts
index fe7f465c..237474a0 100644
--- a/docs/.vitepress/config/sidebar.ts
+++ b/docs/.vitepress/config/sidebar.ts
@@ -22,8 +22,8 @@ export const sidebar: DefaultTheme.Config['sidebar'] = {
             text: 'Problems & Solutions',
             collapsed: true,
             items: [
-                { text: 'Problem: 02-20', link: '/academic/chemistry/problems/2-20' },
-                { text: 'Problem: 03-02', link: '/academic/chemistry/problems/3-2' },
+                { text: 'Problem: 02-20', link: '/academic/chemistry/problems/02-20' },
+                { text: 'Problem: 03-02', link: '/academic/chemistry/problems/03-02' },
             ],
         },
     ],