diff --git a/src/main/resources/languages/researches_ja.yml b/src/main/resources/languages/researches_ja.yml
index 7b2c59fda..27fccbf1a 100644
--- a/src/main/resources/languages/researches_ja.yml
+++ b/src/main/resources/languages/researches_ja.yml
@@ -246,3 +246,4 @@ slimefun:
   caveman_talisman: 洞窟暮らしのタリスマン
   even_higher_tier_capacitors: キャパシタⅢ
   elytra_cap: 衝撃緩和装備
+  energy_connectors: 有線接続