docs: more tweaks

Author: kazupon

docs/guide/migration/breaking11.md

@@ -8,8 +8,8 @@ The Legacy API mode was the API mode compatible with v8 for Vue 2. When v9 was r
 
 Legacy API mode will be deprecated in v11, as previous vue-i18n releases have already provided the following to support migration to Composition API mode
 
-Migration from Legacy API mode to Composition API mode: https://vue-i18n.intlify.dev/guide/migration/vue3.html
-Composition API usage: https://vue-i18n.intlify.dev/guide/advanced/composition.html
+- Migration from Legacy API mode to Composition API mode: https://vue-i18n.intlify.dev/guide/migration/vue3.html
+- Composition API usage: https://vue-i18n.intlify.dev/guide/advanced/composition.html
 
 For compatibility, Legacy API mode still works in v11, but will be removed entirely in v12, so Legacy API mode will not work after that version.