In this task, we ask you to rewrite a sentence in simple English without changing its general meaning. Essentially, you want to make the sentence easier to read by using simpler words, utilizing more straightforward sentence structures, and omitting non-essential information etc.
Q: Later on , it became her first ever single to top a " Billboard " chart when it reached number one on the Hot Adult Top 40 Tracks chart in May 2011 , and became her first number one hit in the country when it topped the " Billboard " Hot 100 in May 2011 .
A: 
This was when it reached number one on the Hot Adult Top 40 Tracks chart in May 2011 .