Minor doc formatting.

doc/src/references/builtin/User Interface/Functions/idle_ticks.nvgt

@@ -1,25 +1,22 @@
 /*
 	Obtain the time passed since a user has pressed a key or used the mouse.
-	uint64 idle_ticks()
+	uint64 idle_ticks();
 	## returns
 		Returns the number of milliseconds since a user has not interacted with the machine.
 	## remarks
 		This function can serve as a useful utility to verify whether a user has been away from the keyboard.
 */
 
 // Example
-void main()
-	{
+void main() {
 	int64 t;
-
 	show_window("Idle test");
 	wait(50);
 	screen_reader_speak("Press space to check the idle time and escape to exit.", true);
 	while (!key_pressed(KEY_ESCAPE)) {
 		wait(5);
 		if (key_pressed(KEY_SPACE))
 			screen_reader_speak("You have been idle for %0 milliseconds".format(t), true);
-
 		t = idle_ticks();
 	}
 }