Carriage return 0d line feed 0a
The hexadecimal 0a, a control character as opposed to a printing character, is called a line feed.
The hexadecimal 0d is called a carriage return.
Pretty much all the programs on the Windows platform understand and expect the hexadecimal 0a0d pair in text. The 0d0a pair of characters is the signal for the end of a line and beginning of another.
It is easy, just include the code provided below into your HTML code.