diff --git a/docs/.vitepress/config/nav.ts b/docs/.vitepress/config/nav.ts
index 5088a261..b6141534 100644
--- a/docs/.vitepress/config/nav.ts
+++ b/docs/.vitepress/config/nav.ts
@@ -11,16 +11,32 @@ export const nav: DefaultTheme.Config['nav'] = [
             {
                 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: '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: 'Tools',
                 items: [
-                    { text: 'Formulas for IPhO JPN.', link: '/academic/physics/ipho-formulas-jpn/1', activeMatch: '/academic/physics/ipho-formulas-jpn/' },
-                ]
+                    {
+                        text: 'Formulas for IPhO JPN.',
+                        link: '/academic/physics/ipho-formulas-jpn/1',
+                        activeMatch: '/academic/physics/ipho-formulas-jpn/',
+                    },
+                ],
             },
             { text: '', link: '', activeMatch: '' },
             { text: '', link: '', activeMatch: '' },
@@ -54,8 +70,16 @@ export const nav: DefaultTheme.Config['nav'] = [
     {
         text: 'Save',
         items: [
-            { text: 'Reading', link: '/save/reading/index', activeMatch: '/save/reading/' },
-            { text: 'Vocabulary', link: '/academic/vocabulary/index', activeMatch: '/academic/vocabulary/' },
+            {
+                text: 'Reading',
+                link: '/save/reading/index',
+                activeMatch: '/save/reading/',
+            },
+            {
+                text: 'Vocabulary',
+                link: '/academic/vocabulary/index',
+                activeMatch: '/academic/vocabulary/',
+            },
         ],
         activeMatch: '/save/',
     },