I need a little help

Tell us what’s happening: Its says that my code is incorrect. I dont know what the problem is though.

Your code so far

var myStr= "This is the start. " + " This is the end."; // Only change this line

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.129 Safari/537.36.

Challenge: Concatenating Strings with Plus Operator

Link to the challenge:

Remove the extra space after the “Start.”
The test are very specific.