[skip ci] Update .po files

Autobuild bot on TravisCI · Autobuild bot on TravisCI · commit 6e4144f3b844 · 2019-02-12T15:41:09.000+09:00
diff --git a/sphinx.po b/sphinx.po
@@ -11,7 +11,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: Python 3.6\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2019-01-01 15:22+0900\n"
+"POT-Creation-Date: 2019-02-11 15:41+0900\n"
 "PO-Revision-Date: 2018-06-29 17:17+0000\n"
 "Last-Translator: tomo, 2018\n"
 "Language-Team: Japanese (https://www.transifex.com/python-doc/teams/5390/ja/)\n"
@@ -224,8 +224,8 @@ msgid "Python 3.7 (stable)"
 msgstr ""
 
 #: ../../tools/templates/indexsidebar.html:7
-msgid "Python 3.6 (stable)"
-msgstr "Python 3.6 (stable)"
+msgid "Python 3.6 (security-fixes)"
+msgstr ""
 
 #: ../../tools/templates/indexsidebar.html:8
 msgid "Python 3.5 (security-fixes)"
