Extra information (#31621)

guide/english/c/hello-world/index.md

@@ -27,6 +27,7 @@ To write on console you can use the function `printf()` contained in the library
  * If you use `printf()` function without writing `#include <stdio.h>`, the compiler will generate an error during compliation of the program.
  * The execution of a C program starts from the `main()` function.
  * The `printf()` is a library function to send formatted output to the standard output stream, most commoly the screen. In this program, the `printf()` displays `Hello, World!` text on the screen.
+ * `\n` is used here to take the cursor to the next line. Hence, if we print anything after this command, it will be printed on a new line.
  * The `return 0;` statement is the "Exit code" of the program. In simple terms, program ends with this statement
 
  ## Output: