Task: Text Simplification
Input (English): 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 .
Output (English): This was when it reached number one on the Hot Adult Top 40 Tracks chart in May 2011 .