diff --git a/app/src/main/res/values-cs/strings.xml b/app/src/main/res/values-cs/strings.xml
index 2bf94932b..0a735be32 100644
--- a/app/src/main/res/values-cs/strings.xml
+++ b/app/src/main/res/values-cs/strings.xml
@@ -1047,6 +1047,8 @@ Uživatelské jméno a heslo nejsou nikdy ukládány. Jsou použity pouze během
     <string name="set_auto_backup">Auto backup statuses</string>
     <string name="set_auto_backup_indication">This option is per account. It will launch a service that will automatically store your statuses locally in the database. That allows to get statistics and charts</string>
     <string name="report_account">Report account</string>
+    <string name="send_invitation">Send an invitation</string>
+    <string name="registration_closed">Your instance does not allow to register a new account!</string>
     <plurals name="number_of_vote">
         <item quantity="one">%d hlas</item>
         <item quantity="few">%d hlasy</item>
@@ -1070,4 +1072,6 @@ Uživatelské jméno a heslo nejsou nikdy ukládány. Jsou použity pouze během
         <item>Webové zobrazení</item>
         <item>Přímé streamovaní</item>
     </string-array>
+    <string name="join_instance">For joining my instance \"%1$s\", you can download Fedilab:\n\nF-Droid: %2$s\nGoogle: %3$s\n\nThen open the link below with Fedilab and create your account :)\n\n%4$s
+    </string>
 </resources>