diff --git a/data/category-forums b/data/category-forums
index eb978c6b..23b8128a 100644
--- a/data/category-forums
+++ b/data/category-forums
@@ -10,6 +10,7 @@ include:habr
 include:hkgolden
 include:lihkg
 include:linuxdo
+include:livejournal
 include:mobile01
 include:nodeseek
 include:pixnet
@@ -30,8 +31,6 @@ doom9.org
 eyny.com
 gab.com
 hydrogenaud.io
-livejournal.com
-livejournal.net
 mewe.com
 parler.com
 pincong.rocks
diff --git a/data/category-ru b/data/category-ru
index 8138eea5..34c78c89 100644
--- a/data/category-ru
+++ b/data/category-ru
@@ -1,8 +1,13 @@
-# Russian websites
+include:tld-ru
 ru.com
 ru.net
 
-include:tld-ru
+# - There is `[domain:]ru` in this list (from tld-ru), which matches all `*.ru` domains
+# - Redundant subdomains (full/domain type without attr) will be trimed by main.go
+#   In this list, `*.ru` domains without attr are redundant for the program and will not contribute to `geosite:category-ru`
+# - You can still add `*.ru` domains here if you want
+
+# Subcategories
 include:category-betting-ru
 include:category-ecommerce-ru
 include:category-entertainment-ru
@@ -26,6 +31,8 @@ include:headhunter
 include:ideco-ru
 include:kaspersky
 include:kontur
+# Not include:habr #3087
+# Not include:livejournal #3715
 include:mailru-group
 include:mindbox
 include:myoffice-ru
diff --git a/data/livejournal b/data/livejournal
new file mode 100644
index 00000000..26eea12e
--- /dev/null
+++ b/data/livejournal
@@ -0,0 +1,2 @@
+livejournal.com
+livejournal.net