Update README.md

Author: kikmak42

README.md

@@ -35,8 +35,8 @@ Running SampleCode without a parameter will give you the list of sample names.
 Please set the JAVA environment proxy using a similar code :
 ```
     System.setProperty(Constants.HTTPS_USE_PROXY, "true");
-	System.setProperty(Constants.HTTPS_PROXY_HOST, "127.0.0.1");
-	System.setProperty(Constants.HTTPS_PROXY_PORT, "8888");
+    System.setProperty(Constants.HTTPS_PROXY_HOST, "127.0.0.1");
+    System.setProperty(Constants.HTTPS_PROXY_PORT, "8888");
 ```
 **For using proxy authentication**