apps/examples/nxlines/nxlines_bkgd.c:  Fix a bad, copy-paste comment.
@@ -205,7 +205,7 @@ static void nxlines_kbdin(NXWINDOW hwnd, uint8_t nch, FAR const uint8_t *ch,
* Name: nxlines_test
*
* Description:
- * Print "Hello, World!" in the center of the display.
+ * Update line motion.
*
****************************************************************************/
