Update LIMIT.ino

Author: Forairaaaaa

examples/Unit/LIMIT/LIMIT.ino

@@ -3,8 +3,8 @@
 * Copyright (c) 2022 by M5Stack
 *                  Equipped with M5Core sample source code
 *                          配套  M5Core 示例源代码
-* Visit the website for more information:
-* 获取更多资料请访问:
+* Visit the website for more information: https://docs.m5stack.com/zh_CN/products
+* 获取更多资料请访问: https://docs.m5stack.com/zh_CN/products
 *
 * describe: Limit.
 * date: 2022/6/1