Update README.md

Author: irinakim12

README.md

@@ -100,6 +100,6 @@ best fits for low-end Non-OS devices connecting to Ethernet for the Internet of
     <img width="50%" src="https://user-images.githubusercontent.com/48539052/55776879-19470a80-5ad9-11e9-8945-32cdbd5ba0a3.png" />
   </p>
 
-   ## Test packet capture file <br>
+   ## Test packet capture file
     - [HTTP_Server_Packet.zip](https://github.com/WIZnet-ioLibrary/W6100EVB-HTTP_Server/files/3057274/HTTP_Server_Packet.zip)