Here is the text of Step 2:
On line 7, add another li element with the text "Browse"
Note that it is asking you to add another li element, so you should look at your existing li element to see how li elements are formed. Or you can look at the example in the explanation part of the exercise. It shows you three elements there, like these:
First thing then is go to line 7 and start typing another li element. You could type the very same thing as you have for your already existing li element and when you are done that you can then change the text to Browse instead of what ever you have in there now.