diff --git a/plinth/locale/cs/LC_MESSAGES/django.po b/plinth/locale/cs/LC_MESSAGES/django.po
index ce5eee011..440b6ebb1 100644
--- a/plinth/locale/cs/LC_MESSAGES/django.po
+++ b/plinth/locale/cs/LC_MESSAGES/django.po
@@ -8,8 +8,8 @@ msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
 "Report-Msgid-Bugs-To: \n"
 "POT-Creation-Date: 2017-10-02 05:23-0400\n"
-"PO-Revision-Date: 2017-10-13 09:45+0000\n"
-"Last-Translator: Pavel Borecki <pavel.borecki@gmail.com>\n"
+"PO-Revision-Date: 2017-10-15 16:44+0000\n"
+"Last-Translator: Johannes Keyser <johanneskeyser@posteo.de>\n"
 "Language-Team: Czech "
 "<https://hosted.weblate.org/projects/freedombox/plinth/cs/>\n"
 "Language: cs\n"
@@ -17,7 +17,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=3; plural=(n==1) ? 0 : (n>=2 && n<=4) ? 1 : 2;\n"
-"X-Generator: Weblate 2.17-dev\n"
+"X-Generator: Weblate 2.17\n"
 
 #: plinth/action_utils.py:259
 #, python-brace-format
@@ -1088,7 +1088,7 @@ msgid ""
 "interface. If you want to report a bug, please use the <a href=\"https://"
 "github.com/freedombox/Plinth/issues\">bug tracker</a> and attach this status "
 "log to the bug report."
-msgstr "ejabberd"
+msgstr "%(num_lines)s"
 
 #: plinth/modules/help/templates/statuslog.html:38
 msgid "Caution:"
@@ -1392,7 +1392,7 @@ msgid ""
 "%(box_name)s manage its renewal process. This also enables other apps to use "
 "that certificate, so most users would not prompted with security warnings "
 "when using them."
-msgstr "JSXC"
+msgstr "%(box_name)s"
 
 #: plinth/modules/letsencrypt/templates/letsencrypt.html:166
 #: plinth/modules/letsencrypt/templates/letsencrypt.html:173