Css class name in example 5 is not make sense

[tanangular]

Following a document in litedom repo: Example 5 - Directives: If/Else, For, Style, Class

<style>
  .somAClass {
    color: blue
  }
  .myClassB {
    color: red
  }
</style>


....

 <!-- Class -->
  <div :class="someClassA: this.count === 7; myClassB: this.count === 10">
.....
</div>

i think that "somAClass" class name in style block is not make sense with html "someClassA" Miss type ?