diff --git a/WhatIsMyIP/IPDetector.m b/WhatIsMyIP/IPDetector.m
index db9e9cf..10dc020 100644
--- a/WhatIsMyIP/IPDetector.m
+++ b/WhatIsMyIP/IPDetector.m
@@ -72,6 +72,8 @@ + (NSString *)getIPAddress
         while (temp_addr != NULL) {
             if( temp_addr->ifa_addr->sa_family == AF_INET) {
                 // Check if interface is en0 which is the wifi connection on the iPhone
+                // en0 iOS wifi
+                // en1 OS X wifi 
                 if ([[NSString stringWithUTF8String:temp_addr->ifa_name] isEqualToString:@"en0"]) {
                     // Get NSString from C String
                     address = [NSString stringWithUTF8String:inet_ntoa(((struct sockaddr_in *)temp_addr->ifa_addr)->sin_addr)];