diff --git a/respodns/checks.py b/respodns/checks.py
index 944895a..278144d 100644
--- a/respodns/checks.py
+++ b/respodns/checks.py
@@ -27,9 +27,6 @@ _sinkhole = "iuqerfsodp9ifjaposdfjhgosurijfaewrwergwea.com"
 _weirdsub = concat_nonsense("javarevisited.blogspot.com")
 
 checks = order_by_failures([
-    # these checks are, in practice, the most likely
-    # to weed out unwanted DNS servers.
-
     Check("adtrack",        "ad.doubleclick.net", 81),
     Check("adtrack",        "google-analytics.com", 75),
     Check("adtrack",        "media.fastclick.net", 116),