diff --git a/install/lang/sk/admin.php b/install/lang/sk/admin.php
index e392b169927..0090a8936ad 100644
--- a/install/lang/sk/admin.php
+++ b/install/lang/sk/admin.php
@@ -38,5 +38,6 @@ $string['clitypevaluedefault'] = 'Vložte hodnotu a stlačte klávesu Enter pre
 $string['cliunknowoption'] = 'Nerozoznané voľby: {$a}
 Prosím, použite možnosť --help.';
 $string['cliyesnoprompt'] = 'Zvolte A (Áno) alebo N (Nie)';
-$string['environmentrequireinstall'] = 'vyžadovaný komponent';
+$string['environmentrequireinstall'] = 'musí by byť nainštalované a povolené';
 $string['environmentrequireversion'] = 'vyžadovaná je verzia {$a->needed}, teraz používate verziu {$a->current}';
+$string['upgradekeyset'] = 'Kľúč pre aktualizáciu (nechajte prázdne, ak nechcete nastaviť)';
diff --git a/install/lang/sv/error.php b/install/lang/sv/error.php
index a480be4c5e5..f0ae5e44808 100644
--- a/install/lang/sv/error.php
+++ b/install/lang/sv/error.php
@@ -40,9 +40,9 @@ $string['cannotfindcomponent'] = 'Det går inte att hitta komponent';
 $string['cannotsavemd5file'] = 'Det går inte att spara md5-fil';
 $string['cannotsavezipfile'] = 'Det går inte att spara ZIP-fil';
 $string['cannotunzipfile'] = 'Det går inte att packa upp fil';
-$string['componentisuptodate'] = 'Komponenten är av en aktuell version';
+$string['componentisuptodate'] = 'Komponenten är aktuell';
 $string['dmlexceptiononinstall'] = '<p>Ett databasfel har inträffat [{$a->errorcode}].<br />{$a->debuginfo}</p>';
-$string['downloadedfilecheckfailed'] = 'Det gick inte att kontrollera den nedladdade filen';
+$string['downloadedfilecheckfailed'] = 'Kontrollen av den nedladdade filen misslyckades';
 $string['invalidmd5'] = 'Kontrollvariabeln var felaktig - försök igen';
 $string['missingrequiredfield'] = 'Det saknas några obligatoriska fält';
 $string['remotedownloaderror'] = 'Nedladdningen av en komponent till din server misslyckades. Vänligen verifiera inställningar för proxy. <br /><br />Du måste ladda ner <a href="{$a->url}">{$a->url}</a> filen manuellt, kopiera den till "{$a->dest}" på din server och packa upp den där.';
diff --git a/install/lang/tpi/moodle.php b/install/lang/tpi/moodle.php
new file mode 100644
index 00000000000..5f848830bfc
--- /dev/null
+++ b/install/lang/tpi/moodle.php
@@ -0,0 +1,35 @@
+<?php
+// This file is part of Moodle - https://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <https://www.gnu.org/licenses/>.
+
+/**
+ * Automatically generated strings for Moodle installer
+ *
+ * Do not edit this file manually! It contains just a subset of strings
+ * needed during the very first steps of installation. This file was
+ * generated automatically by export-installer.php (which is part of AMOS
+ * {@link http://docs.moodle.org/dev/Languages/AMOS}) using the
+ * list of strings defined in /install/stringnames.txt.
+ *
+ * @package   installer
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+$string['language'] = 'Tokples';
+$string['moodlelogo'] = 'Moodle logo';
+$string['next'] = 'Narap\'la';
+$string['previous'] = 'Bipo';