diff --git a/en/_posts/index.xml b/en/_posts/index.xml
index 6dd06c86..6e787fd5 100644
--- a/en/_posts/index.xml
+++ b/en/_posts/index.xml
@@ -316,13 +316,15 @@ Swiping on the top part of content window (near the top address bar by default)
- Blocking domain trees
+ Hosts files
/en/adblock_domain/
Mon, 01 Jan 0001 00:00:00 +0000/en/adblock_domain/
- hosts blocks whole domain trees including all descedant domains. The domains in the hosts file must be 2 or 3 segment domains, such as "yahoo.com" and "finance.yahoo.com". If the length of the last 2 segments is less than 7, such as "com.pl", then it is treated as one segment, so domains like "xxx.xxx.com.pl" are also valid in the hosts file.
-Each line of the hosts file has the following format:
+ The hosts files "hosts" and "default.hosts" take effect when the setting option "using hosts" is checked.
+The file "hosts" defines IP addresses for domains. Each line has the following format:
+[IP address][single space][domain name]
+"default.hosts" blocks whole domain trees including all descedant domains. The domains in the hosts file must be 2 or 3 segment domains, such as "yahoo.com" and "finance.yahoo.com". If the length of the last 2 segments is less than 7, such as "com.
diff --git a/en/adblock_domain/index.html b/en/adblock_domain/index.html
index bdb07d73..3c8939a0 100644
--- a/en/adblock_domain/index.html
+++ b/en/adblock_domain/index.html
@@ -5,7 +5,7 @@
-