Update README.md

Author: pavleavramovic

README.md

@@ -62,7 +62,7 @@ const token = Token
         .WithCustomData("size", "medium")
         .Generate())
     .WithEventId("demoevent")
-    .WithIpAddress("75.86.129.4,45.67.2.4,34.56.3.2")
+    .WithIpAddress("75.86.129.4", "45.67.2.4,34.56.3.2")
     .WithValidity(60000)
     .Generate(secretKey);