add comments

src/components/status/status.js

@@ -421,11 +421,13 @@ const Status = {
       }
     },
     'status.repeat_num': function (num) {
+      // refetch repeats when repeat_num is changed in any way
       if (this.isFocused && this.statusFromGlobalRepository.rebloggedBy && this.statusFromGlobalRepository.rebloggedBy.length !== num) {
         this.$store.dispatch('fetchRepeats', this.status.id)
       }
     },
     'status.fave_num': function (num) {
+      // refetch favs when fave_num is changed in any way
       if (this.isFocused && this.statusFromGlobalRepository.favoritedBy && this.statusFromGlobalRepository.favoritedBy.length !== num) {
         this.$store.dispatch('fetchFavs', this.status.id)
       }