diff --git a/i18n/ja.po b/i18n/ja.po
index 1fb1adf376..96e6c13996 100644
--- a/i18n/ja.po
+++ b/i18n/ja.po
@@ -12,7 +12,8 @@ msgstr ""
 "Report-Msgid-Bugs-To: avogadro-devel@lists.sourceforge.net\n"
 "POT-Creation-Date: 2024-06-30 02:14+0000\n"
 "PO-Revision-Date: 2024-08-28 01:42+0000\n"
-"Last-Translator: LibreTranslate <noreply-mt-libretranslate@weblate.org>\n"
+"Last-Translator: Weblate Translation Memory <noreply-mt-weblate-translation-"
+"memory@weblate.org>\n"
 "Language-Team: Japanese <https://hosted.weblate.org/projects/avogadro/"
 "avogadrolibs/ja/>\n"
 "Language: ja\n"
@@ -2538,7 +2539,7 @@ msgstr ""
 
 #: qtplugins/copypaste/copypaste.h:31
 msgid "Copy and paste"
-msgstr ""
+msgstr "コピーと貼り付け"
 
 #: qtplugins/copypaste/copypaste.h:35
 msgid "Interact with the clipboard."