diff --git a/translation/pofiles/ja.po b/translation/pofiles/ja.po
index 97eb9790f9..f2ef41ed09 100644
--- a/translation/pofiles/ja.po
+++ b/translation/pofiles/ja.po
@@ -4,7 +4,7 @@ msgstr ""
 "Project-Id-Version: kicad\n"
 "Report-Msgid-Bugs-To: \n"
 "POT-Creation-Date: 2021-07-19 08:40-0700\n"
-"PO-Revision-Date: 2021-08-06 21:14+0000\n"
+"PO-Revision-Date: 2021-08-09 02:20+0000\n"
 "Last-Translator: Tokita, Hiroshi <tokita.hiroshi@gmail.com>\n"
 "Language-Team: Japanese <https://hosted.weblate.org/projects/kicad/"
 "master-source/ja/>\n"
@@ -27531,7 +27531,7 @@ msgstr ""
 
 #: pcbnew/dialogs/panel_setup_mask_and_paste_base.cpp:35
 msgid "If none is provided, setting the values to zero is suggested."
-msgstr ""
+msgstr "指定がない場合、値をゼロに設定するのが推奨です。"
 
 #: pcbnew/dialogs/panel_setup_mask_and_paste_base.cpp:58
 msgid ""