Now let's add a second level heading, which uses an " h2" tag.

现在让我们添加一个二级标题，它使用“h2”标签。

To do this, we type in the letters " H 1" , which indicates the start of a first level heading, and we surround that in angle brackets.

为此，我们输入字母“H 1”，表示一级标题的开始，并将其括在尖括号中。