update readme

Author: brentru

README.rst

@@ -15,8 +15,6 @@ Introduction
 
 Pure-Python interface for WIZNET 5k ethernet modules.
 
-NOTE: This library does not currently contain a DNS client. You will need to include a server ip address and destination port in your code.
-
 Dependencies
 =============
 This driver depends on:
@@ -67,24 +65,21 @@ wifitest.adafruit.com.
     from adafruit_wiznet5k.adafruit_wiznet5k import WIZNET
     import adafruit_wiznet5k.adafruit_wiznet5k_socket as socket
 
-    # Name address for wifitest.adafruit.com
-    SERVER_ADDRESS = (('104.236.193.178'), 80)
-
     cs = digitalio.DigitalInOut(board.D10)
     spi_bus = busio.SPI(board.SCK, MOSI=board.MOSI, MISO=board.MISO)
 
     # Initialize ethernet interface with DHCP
-    eth = WIZNET(spi_bus, cs)
+    eth = WIZNET5K(spi_bus, cs, debug=True)
 
     print("DHCP Assigned IP: ", eth.pretty_ip(eth.ip_address))
 
     socket.set_interface(eth)
 
-    # Create a new socket
-    sock = socket.socket()
+    host = 'wifitest.adafruit.com'
+    port = 80
 
-    print("Connecting to: ", SERVER_ADDRESS[0])
-    sock.connect(SERVER_ADDRESS)
+    addr_info = socket.getaddrinfo(host, port, 0, socket.SOCK_STREAM)
+    sock = socket.socket(addr_info[0], addr_info[1], addr_info[2])
 
     print("Connected to ", sock.getpeername())