Fix typo (Ported from !449)

interface/web/sites/lib/lang/dk_ftp_user.lng

@@ -18,7 +18,7 @@ $wb['active_txt'] = 'Aktiv';
 $wb['limit_ftp_user_txt'] = 'Max. antal of FTP brugere for din konto er nået.';
 $wb['username_error_empty'] = 'Brugernavn er tomt.';
 $wb['username_error_unique'] = 'Brugernavne skal være unikke.';
-$wb['username_error_regex'] = 'Brugernavne contains charachters that are not allowed.';
+$wb['username_error_regex'] = 'Brugernavne contains characters that are not allowed.';
 $wb['quota_size_error_empty'] = 'Kvote er tomt.';
 $wb['uid_error_empty'] = 'GID er tom.';
 $wb['directory_error_empty'] = 'Mappe er tom.';

interface/web/sites/lib/lang/en_ftp_user.lng

@@ -18,7 +18,7 @@ $wb["active_txt"] = 'Active';
 $wb["limit_ftp_user_txt"] = 'The max. number of FTP users for your account is reached.';
 $wb["username_error_empty"] = 'Username is empty.';
 $wb["username_error_unique"] = 'The username must be unique.';
-$wb["username_error_regex"] = 'The username contains charachters that are not allowed.';
+$wb["username_error_regex"] = 'The username contains characters that are not allowed.';
 $wb["quota_size_error_empty"] = 'Quota is empty.';
 $wb["uid_error_empty"] = 'UID empty.';
 $wb["uid_error_empty"] = 'GID empty.';