diff --git a/lang/ja.json b/lang/ja.json
index 30c9061..52aff42 100644
--- a/lang/ja.json
+++ b/lang/ja.json
@@ -15,11 +15,11 @@
     "category:car_routes": "車のルート",
     "category:children": "子ども用施設",
     "category:coal": "石炭",
-    "category:communication": "交流",
+    "category:communication": "情報通信",
     "category:construction": "工事中",
     "category:craft": "職人",
     "category:culture": "文化",
-    "category:culture_religion": "文化",
+    "category:culture_religion": "文化と宗教",
     "category:cycle_amenities": "アメニティ",
     "category:cycle_routes": "自転車ルート",
     "category:education": "教育サービス",
@@ -35,7 +35,7 @@
     "category:index": "",
     "category:infrastructure": "インフラ",
     "category:internet": "インターネット接続",
-    "category:law": "法令",
+    "category:law": "法律",
     "category:leisure": "レジャー",
     "category:leisure_sport_shopping": "レジャー",
     "category:memorial": "記念碑",
@@ -82,7 +82,7 @@
     "category:transport_walk": "ウォーキング",
     "category:walk_amenities": "アメニティ",
     "category:waste": "処理場",
-    "category:water": "",
+    "category:water": "水系",
     "category:wikipedia": "ウィキペディア",
     "category:works": "工場",
     "category:xmas": "クリスマス",