NOBUG fixed a typo

lang/en/repository.php

@@ -58,7 +58,7 @@
 $string['configcacheexpire'] = 'The amount of time that file listings are cached locally (in seconds) when browsing external repositories.';
 $string['configsaved'] = 'Configuration saved!';
 $string['confirmdelete'] = 'Are you sure you want to delete this repository - {$a}?';
-$string['confirmdeletefile'] = 'Are you sure to delete this file?';
+$string['confirmdeletefile'] = 'Are you sure you want to delete this file?';
 $string['confirmremove'] = 'Are you sure you want to remove this repository plugin, its options and <strong>all of its instances</strong> - {$a}?';
 $string['copying'] = 'Copying';
 $string['create'] = 'Create';