Concatenating Strings w/ plus = operator

Tell us what’s happening:
I feel like this is right but I may be missing something.

Your code so far

// Example
var ourStr = "I come first. ";
ourStr += "I come second.";

// Only change code below this line

var myStr = "This is the first sentence. ";
myStr += "This is the second sentence. ";

Your browser information:

User Agent is: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36.

Link to the challenge:

I think you have an extra space on the end there.