diff --git a/data/blogspot b/data/blogspot
index 95f6c337..0e36bed2 100644
--- a/data/blogspot
+++ b/data/blogspot
@@ -1,3 +1,8 @@
+# Main domain which weblogs are registered in
+blogger.com
+blogblog.com
+
+# Subdomains which weblogs can be accessed from
 blogspot.ae
 blogspot.al
 blogspot.am
diff --git a/data/google b/data/google
index 2dcdf209..573b6c21 100644
--- a/data/google
+++ b/data/google
@@ -270,8 +270,6 @@ bazel.build
 bdn.dev
 beatthatquote.com
 blink.org
-blogblog.com
-blogger.com
 brocaproject.com
 brotli.org
 bumpshare.com