diff --git a/framework/messages/sk/yii.php b/framework/messages/sk/yii.php
index 9c9ccaad6d..edd1b7c672 100644
--- a/framework/messages/sk/yii.php
+++ b/framework/messages/sk/yii.php
@@ -17,9 +17,34 @@
  * NOTE: this file must be saved in UTF-8 encoding.
  */
 return array (
+  'Are you sure you want to delete this item?' => 'Skutočne chcete odstrániť tento záznam?',
+  'Only files with these MIME types are allowed: {mimeTypes}.' => 'Povolené sú len súbory nasledovných MIME typov: {mimeTypes}.',
+  'in {delta, plural, =1{a day} other{# days}}' => 'o {delta, plural, =1{deň} other{# dni}}',
+  'in {delta, plural, =1{a minute} other{# minutes}}' => 'o {delta, plural, =1{minútu} other{# minút}}',
+  'in {delta, plural, =1{a month} other{# months}}' => 'o {delta, plural, =1{mesiac} other{# mesiacov}}',
+  'in {delta, plural, =1{a second} other{# seconds}}' => 'o {delta, plural, =1{sekundu} other{# sekúnd}}',
+  'in {delta, plural, =1{a year} other{# years}}' => 'o {delta, plural, =1{rok} other{# rokov}}',
+  'in {delta, plural, =1{an hour} other{# hours}}' => 'o {delta, plural, =1{hodinu} other{# hodín}}',
+  '{delta, plural, =1{a day} other{# days}} ago' => '{delta, plural, =1{včera} other{pred # dňami}}',
+  '{delta, plural, =1{a minute} other{# minutes}} ago' => 'pred {delta, plural, =1{minútou} other{# minútami}}',
+  '{delta, plural, =1{a month} other{# months}} ago' => 'pred {delta, plural, =1{mesiacom} other{# mesiacmi}}',
+  '{delta, plural, =1{a second} other{# seconds}} ago' => 'pred {delta, plural, =1{sekundou} other{# sekundami}}',
+  '{delta, plural, =1{a year} other{# years}} ago' => 'pred {delta, plural, =1{rokom} other{# rokmi}}',
+  '{delta, plural, =1{an hour} other{# hours}} ago' => 'pred {delta, plural, =1{hodinou} other{# hodinami}}',
+  '{n, plural, =1{# byte} other{# bytes}}' => '{n, plural, =1{# bajt} other{# bajtov}}',
+  '{n, plural, =1{# gigabyte} other{# gigabytes}}' => '{n, plural, =1{# gigabajt} other{# gigabajtov}}',
+  '{n, plural, =1{# kilobyte} other{# kilobytes}}' => '{n, plural, =1{# kilobajt} other{# kilobajtov}}',
+  '{n, plural, =1{# megabyte} other{# megabytes}}' => '{n, plural, =1{# megabajt} other{# megabajtov}}',
+  '{n, plural, =1{# petabyte} other{# petabytes}}' => '{n, plural, =1{# petabajt} other{# petabajtov}}',
+  '{n, plural, =1{# terabyte} other{# terabytes}}' => '{n, plural, =1{# terabajt} other{# terabajtov}}',
+  '{n} B' => '{n} B',
+  '{n} GB' => '{n} GB',
+  '{n} KB' => '{n} KB',
+  '{n} MB' => '{n} MB',
+  '{n} PB' => '{n} PB',
+  '{n} TB' => '{n} TB',
   '(not set)' => '(nie je nastavené)',
   'An internal server error occurred.' => 'Vyskytla sa interná chyba servera.',
-  'Are you sure to delete this item?' => 'Skutočne chcete odstrániť tento záznam?',
   'Delete' => 'Zmazať',
   'Error' => 'Chyba',
   'File upload failed.' => 'Súbor sa nepodarilo nahrať.',
@@ -33,7 +58,6 @@ return array (
   'No help for unknown sub-command "{command}".' => 'Pre neznámy podpríkaz "{command}" nie je k dispozícii žiadna nápoveda.',
   'No results found.' => 'Neboli nájdené žiadne záznamy.',
   'Only files with these extensions are allowed: {extensions}.' => 'Povolené sú len súbory s nasledovnými príponami: {extensions}.',
-  'Only files with these mimeTypes are allowed: {mimeTypes}.' => 'Povolené sú len súbory nasledovných MIME typov: {mimeTypes}.',
   'Page not found.' => 'Stránka nebola nájdená.',
   'Please fix the following errors:' => 'Opravte prosím nasledujúce chyby:',
   'Please upload a file.' => 'Nahrajte prosím súbor.',