fix: translation typo

CSUwangj · CSUwangj · commit 0b16f2ab866f · 2021-05-04T01:37:18.000+08:00
diff --git a/src/i18n/index.ts b/src/i18n/index.ts
@@ -19,7 +19,7 @@ i18n
             'home': 'Cryptography Learning Platform',
             'tutorial': 'Tutorial',
             'practice': 'Practice',
-            'learning': 'nav.learning'
+            'learning': 'Learning'
           },
           'homepage': {
             'intro': {
