diff --git a/domains-whitelist.txt b/domains-whitelist.txt
index d6a78ac..b72b6e9 100644
--- a/domains-whitelist.txt
+++ b/domains-whitelist.txt
@@ -1,5 +1,6 @@
-s.youtube.com         # youtube history
-edgekey.net           # alias of legit domains
-kissmanga.com         # read manga online
-nudatasecurity.com    # a mastercard company
-marfeelcdn.com        # alias of legit domains
+s.youtube.com                # youtube history
+edgekey.net                  # alias of legit domains
+kissmanga.com                # read manga online
+nudatasecurity.com           # a mastercard company
+marfeelcdn.com               # alias of legit domains
+gateway.messenger.live.com   # skype incoming calls