diff --git a/plinth/locale/cs/LC_MESSAGES/django.po b/plinth/locale/cs/LC_MESSAGES/django.po
index 7b51fb510..441fcf8a7 100644
--- a/plinth/locale/cs/LC_MESSAGES/django.po
+++ b/plinth/locale/cs/LC_MESSAGES/django.po
@@ -8,7 +8,7 @@ msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
 "Report-Msgid-Bugs-To: \n"
 "POT-Creation-Date: 2022-04-11 19:52-0400\n"
-"PO-Revision-Date: 2022-03-31 09:12+0000\n"
+"PO-Revision-Date: 2022-04-21 09:08+0000\n"
 "Last-Translator: Jiří Podhorecký <j.podhorecky@volny.cz>\n"
 "Language-Team: Czech <https://hosted.weblate.org/projects/freedombox/"
 "freedombox/cs/>\n"
@@ -1067,16 +1067,12 @@ msgid "Name of the new library"
 msgstr "Název nové knihovny"
 
 #: plinth/modules/calibre/forms.py:19
-#, fuzzy
-#| msgid ""
-#| "Only letters of the English alphabet and numbers, without spaces or "
-#| "special characters. Example: My_Library_2000"
 msgid ""
 "Only letters of the English alphabet, numbers and the characters _ . and - "
 "without spaces or special characters. Example: My_Library_2000"
 msgstr ""
-"Pouze písmena anglické abecedy a číslice, bez mezer a speciálních znaků. "
-"Příklad: My_Library_2000"
+"Pouze písmena anglické abecedy, číslice a znaky _ . a - bez mezer a "
+"speciálních znaků. Příklad: My_Library_2000"
 
 #: plinth/modules/calibre/forms.py:30
 msgid "A library with this name already exists."
@@ -7872,7 +7868,7 @@ msgstr "Obecné"
 #: plinth/package.py:188
 #, python-brace-format
 msgid "Package {expression} is not available for install"
-msgstr ""
+msgstr "Balíček {expression} není k dispozici pro instalaci"
 
 #: plinth/package.py:201
 #, python-brace-format
@@ -8123,7 +8119,7 @@ msgstr "Nadace FreedomBox"
 
 #: plinth/templates/index.html:154
 msgid "Forum"
-msgstr ""
+msgstr "Fórum"
 
 #: plinth/templates/index.html:159
 msgid "IRC Chatroom"