diff --git a/docs/.vitepress/config/nav.ts b/docs/.vitepress/config/nav.ts
index 8bf04581..bcb5733f 100644
--- a/docs/.vitepress/config/nav.ts
+++ b/docs/.vitepress/config/nav.ts
@@ -4,11 +4,15 @@ export const nav: DefaultTheme.Config['nav'] = [
     {
         text: '📚 Academic',
         items: [
-            { text: '🧪 Chemistry', link: '/academic/chemistry/index', activeMatch: '/academic/chemistry/' },
-            { text: '✍️ Literature', link: '/academic/literature/index', activeMatch: '/academic/literature/' },
+            {
+                text: 'K-12',
+                items: [
+                    { text: '🧪 Chemistry', link: '/academic/chemistry/index', activeMatch: '/academic/chemistry/' },
+                    { text: '🧮 Discrete Math.', link: '/discrete-math/index', activeMatch: '/categories/fragments/' },
+                    { text: '✍️ Literature', link: '/academic/literature/index', activeMatch: '/academic/literature/' },
+                ],
+            },
             { text: '', link: '', activeMatch: '' },
-            { text: '🧮 Discrete Math.', link: '/discrete-math/index', activeMatch: '/categories/fragments/' },
-            { text: '🥠 Vocabulary', link: '/academic/vocabulary/index', activeMatch: '/academic/vocabulary/' },
             { text: '', link: '', activeMatch: '' },
             { text: '', link: '', activeMatch: '' },
             { text: '', link: '', activeMatch: '' },
@@ -20,7 +24,10 @@ export const nav: DefaultTheme.Config['nav'] = [
     },
     {
         text: '💾 Save',
-        items: [{ text: '📰 Reading', link: '/save/reading/index', activeMatch: '/save/reading/' }],
-        activeMatch: '/courses/',
+        items: [
+            { text: '📰 Reading', link: '/save/reading/index', activeMatch: '/save/reading/' },
+            { text: '🥠 Vocabulary', link: '/academic/vocabulary/index', activeMatch: '/academic/vocabulary/' },
+        ],
+        activeMatch: '/save/',
     },
 ]