diff --git a/language/sl_SI/common.lang.php b/language/sl_SI/common.lang.php
index d0f6d7b40..a5a552978 100644
--- a/language/sl_SI/common.lang.php
+++ b/language/sl_SI/common.lang.php
@@ -410,4 +410,7 @@ $lang['Requested tag does not exist'] = 'Zahtevan tag ne obstaja';
 $lang['Bad request'] = 'Nepravilna zahteva';
 $lang['Permalink for album not found'] = 'Stalne povezave za album ni bilo mogoče najti';
 $lang['Piwigo encountered a non recoverable error'] = 'Prišlo je do napake v Piwigo';
+$lang['Email address is mandatory'] = 'E-pošta je obvezna';
+$lang['Username is mandatory'] = 'Uporabniško ime je obvezno';
+$lang['mandatory'] = 'obvezno';
 ?>
\ No newline at end of file
diff --git a/language/sl_SI/iso.txt b/language/sl_SI/iso.txt
index 6999f3635..580b986fe 100644
--- a/language/sl_SI/iso.txt
+++ b/language/sl_SI/iso.txt
@@ -1 +1 @@
-Slovenšcina [SI]
\ No newline at end of file
+Slovenščina [SI]
\ No newline at end of file