diff --git a/src/pages/blog/_slug.vue b/src/pages/blog/_slug.vue
index c8ca7bd..67a3f79 100755
--- a/src/pages/blog/_slug.vue
+++ b/src/pages/blog/_slug.vue
@@ -97,7 +97,7 @@ export default Vue.extend({
                     {
                         name: 'twitter:data2',
                         content: `${this.getReadingTime} minutes`
-                    }
+                    },
                     // open graph
                     {
                         name: 'og:type',