diff --git a/config/locales/en.yml b/config/locales/en.yml
index 8eddff0..d0a8e70 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -15,7 +15,8 @@ en:
   label_not_categorized: Not categorized
   label_grouping: Grouping
   label_categorized: Categorized
-  
+  label_glossary_term_plural: Glossary
+
   index_en: |
       A B C D E F
       G H I J K L
diff --git a/config/locales/ja.yml b/config/locales/ja.yml
index f585da8..6e4dc63 100644
--- a/config/locales/ja.yml
+++ b/config/locales/ja.yml
@@ -14,6 +14,7 @@ ja:
   label_not_categorized: 未分類
   label_grouping: グループ化
   label_categorized: カテゴリで分類
+  label_glossary_term_plural: 用語集
 
   index_rubi: |
     あ い う え お