diff --git a/app/i18n/locales/jp/programs-page.json b/app/i18n/locales/jp/programs-page.json
index 5ffd79e..0ee203d 100644
--- a/app/i18n/locales/jp/programs-page.json
+++ b/app/i18n/locales/jp/programs-page.json
@@ -23,7 +23,7 @@
       "items": [
         "Circom入門",
         "暗号化とハッシュ関数の基礎",
-        "デジタル署名と楕円曲線暗号 (Digital signatures and elliptic curve cryptography)"
+        "デジタル署名と楕円曲線暗号"
       ]
     },
     {