Correct https.proxyHost in README

Author: gcatanese

README.md

@@ -240,7 +240,7 @@ client.setHttpClient(adyenHttpClientWithProxy);
 If your proxy requires authentication, set all the settings as system properties instead (don't mix with previous approach), for example: 
 
 ~~~~ java
-System.setProperty("https.proxyHost", "129.1.0.1");
+System.setProperty("https.proxyHost", "129.0.0.1");
 System.setProperty("https.proxyPort", "3128");
 System.setProperty("https.proxyUser", "squid");
 System.setProperty("https.proxyPassword", "ward");