diff --git a/i18n/ja.po b/i18n/ja.po
index dc5ed96698..7984d5242e 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 03:53+0000\n"
-"Last-Translator: Eisuke Kawashima <e.kawaschima+weblate@gmail.com>\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"
@@ -7743,7 +7744,7 @@ msgstr "18"
 #. i18n: ectx: property (text), widget (QLabel, label_5)
 msgctxt "Size in pixels of the line drawing the spectra"
 msgid "Line Width:"
-msgstr ""
+msgstr "線幅:"
 
 #. i18n: file: qtplugins/spectra/spectradialog.ui:510
 #. i18n: ectx: property (text), widget (QTableWidget, dataTable)