diff --git a/system/language/english/db_lang.php b/system/language/english/db_lang.php
index dc98afc..79b82c7 100644
--- a/system/language/english/db_lang.php
+++ b/system/language/english/db_lang.php
@@ -6,8 +6,9 @@
 $lang['db_unable_to_create'] = 'Unable to create the specified database: %s';
 $lang['db_invalid_query'] = 'The query you submitted is not valid.';
 $lang['db_must_set_table'] = 'You must set the database table to be used with your query.';
-$lang['db_must_set_database'] = 'You must set the database name in your database config file.';
 $lang['db_must_use_set'] = 'You must use the "set" method to update an entry.';
+$lang['db_must_use_index'] = 'You must specify an index to match on for batch updates.';
+$lang['db_batch_missing_index'] = 'One or more rows submitted for batch updating is missing the specified index.';
 $lang['db_must_use_where'] = 'Updates are not allowed unless they contain a "where" clause.';
 $lang['db_del_must_use_where'] = 'Deletes are not allowed unless they contain a "where" or "like" clause.';
 $lang['db_field_param_missing'] = 'To fetch fields requires the name of the table as a parameter.';