Fix typo

Author: khoih-prog

README.md

@@ -5,7 +5,7 @@
 [![contributions welcome](https://img.shields.io/badge/contributions-welcome-brightgreen.svg?style=flat)](#Contributing)
 [![GitHub issues](https://img.shields.io/github/issues/khoih-prog/Portenta_H7_AsyncWebServer.svg)](http://github.com/khoih-prog/Portenta_H7_AsyncWebServer/issues)
 
-<a href="https://www.buymeacoffee.com/khoihprog6" target="_blank"><img src="https://cdn.buymeacoffee.com/buttons/v2/default-yellow.png" alt="Buy Me A Coffee" style="height: 60px !important;width: 217px !important;" ></a>
+<a href="https://www.buymeacoffee.com/khoihprog6" target="_blank"><img src="https://cdn.buymeacoffee.com/buttons/v2/default-yellow.png" alt="Buy Me A Coffee" style="height: 50px !important;width: 181px !important;" ></a>
 
 
 ---
@@ -166,7 +166,7 @@ to apply the better and faster **asynchronous** feature of the **powerful** [ESP
 ## Prerequisites
 
  1. [`Arduino IDE 1.8.19+` for Arduino](https://github.com/arduino/Arduino). [![GitHub release](https://img.shields.io/github/release/arduino/Arduino.svg)](https://github.com/arduino/Arduino/releases/latest)
- 2. [`ArduinoCore-mbed mbed_portenta core 2.6.1+`](https://github.com/arduino/ArduinoCore-mbed) for Arduino **Portenta_H7** boards, such as **Portenta_H7 Rev2 ABX00042, etc.**. [![GitHub release](https://img.shields.io/github/release/arduino/ArduinoCore-mbed.svg)](https://github.com/arduino/ArduinoCore-mbed/releases/latest). To be used with [**Portenta_H7_AsyncTCP releases v1.3.0+**](https://github.com/khoih-prog/Portenta_H7_AsyncTCP/releases/tag/v1.3.0)
+ 2. [`ArduinoCore-mbed mbed_portenta core 2.7.2+`](https://github.com/arduino/ArduinoCore-mbed) for Arduino **Portenta_H7** boards, such as **Portenta_H7 Rev2 ABX00042, etc.**. [![GitHub release](https://img.shields.io/github/release/arduino/ArduinoCore-mbed.svg)](https://github.com/arduino/ArduinoCore-mbed/releases/latest). To be used with [**Portenta_H7_AsyncTCP releases v1.3.0+**](https://github.com/khoih-prog/Portenta_H7_AsyncTCP/releases/tag/v1.3.0)
  3. [`Portenta_H7_AsyncTCP library v1.3.0+`](https://github.com/khoih-prog/Portenta_H7_AsyncTCP) for Portenta_H7 using `Vision-shield Ethernet` or `Murata WiFi`. [To install. check [![arduino-library-badge](https://www.ardu-badge.com/badge/Portenta_H7_AsyncTCP.svg?)](https://www.ardu-badge.com/Portenta_H7_AsyncTCP)
 
 ---

library.json

@@ -19,7 +19,7 @@
   "repository":
   {
     "type": "git",
-    "url": "//https://github.com/khoih-prog/Portenta_H7_AsyncWebServer"
+    "url": "https://github.com/khoih-prog/Portenta_H7_AsyncWebServer"
   },
   "homepage": "https://github.com/khoih-prog/Portenta_H7_AsyncWebServer",
   "export": {