[gnome-system-monitor] Update Japanese translation

[Translations User D-L <translations src gnome org>]

commit 8c56a287bd8c93f93f941941066d237d425e7abc
Author: sicklylife <translation sicklylife jp>
Date:   Thu Feb 3 12:21:44 2022 +0000

    Update Japanese translation

 po/ja.po | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/po/ja.po b/po/ja.po
index a1ff0770..d5bd3eae 100644
--- a/po/ja.po
+++ b/po/ja.po
@@ -16,7 +16,7 @@ msgstr ""
 "Report-Msgid-Bugs-To: https://gitlab.gnome.org/GNOME/gnome-system-monitor/";
 "issues\n"
 "POT-Creation-Date: 2020-08-07 06:32+0000\n"
-"PO-Revision-Date: 2022-01-03 20:35+0900\n"
+"PO-Revision-Date: 2022-01-03 21:10+0900\n"
 "Last-Translator: sicklylife <translation sicklylife jp>\n"
 "Language-Team: Japanese <gnome-translation gnome gr jp>\n"
 "Language: ja\n"
@@ -451,7 +451,7 @@ msgstr "CPU グラフを積み上げ面グラフで描画する(_D)"
 
 #: data/preferences.ui:402
 msgid "Draw Charts as S_mooth Graphs"
-msgstr "グラフを滑らかな折れ線グラフで描画する(_D)"
+msgstr "グラフの表示を滑らかにする(_M)"
 
 #: data/preferences.ui:209
 msgid "Show Memory and Swap in IEC"