diff --git a/install/lang/bg/moodle.php b/install/lang/bg/moodle.php
index 6389484f9de..802c874df63 100644
--- a/install/lang/bg/moodle.php
+++ b/install/lang/bg/moodle.php
@@ -31,6 +31,6 @@
 defined('MOODLE_INTERNAL') || die();
 
 $string['language'] = 'Език';
-$string['next'] = 'Следваща';
-$string['previous'] = 'Предишна';
+$string['next'] = 'Още';
+$string['previous'] = 'Обратно';
 $string['reload'] = 'Презареждане';
diff --git a/install/lang/oc_lnc/error.php b/install/lang/oc_lnc/error.php
index 4431fff5c5a..b2085da54b3 100644
--- a/install/lang/oc_lnc/error.php
+++ b/install/lang/oc_lnc/error.php
@@ -42,7 +42,7 @@ $string['cannotsavemd5file'] = 'Enregistrament del fichièr md5 impossible';
 $string['cannotsavezipfile'] = 'Enregistrament del fichièr ZIP impossible';
 $string['cannotunzipfile'] = 'Descompression del fichièr ZIP impossibla';
 $string['componentisuptodate'] = 'Lo component es a jorn';
-$string['dmlexceptiononinstall'] = '<p>Una error de banca de donadas s\'es produsida [{$a->errorcode}].<br />{$a->debuginfo}</p>';
+$string['dmlexceptiononinstall'] = '<p>Una error de banca de donadas s\'es producha [{$a->errorcode}].<br />{$a->debuginfo}</p>';
 $string['downloadedfilecheckfailed'] = 'La verificacion del fichièr telecargat a fracassat';
 $string['invalidmd5'] = 'Lo còde de contraròtle md5 es pas valid';
 $string['missingrequiredfield'] = 'Un camp obligatòri es pas completat';