diff --git a/phpBB/language/en/acp/prune.php b/phpBB/language/en/acp/prune.php
index 5217bd4416..2f4a9b4984 100644
--- a/phpBB/language/en/acp/prune.php
+++ b/phpBB/language/en/acp/prune.php
@@ -53,7 +53,7 @@ $lang = array_merge($lang, array(
 	'PRUNE_USERS_LIST_DELETE'		=> 'With the selected critera for pruning users the following accounts will be removed.',
 	'PRUNE_USERS_LIST_DEACTIVATE'	=> 'With the selected critera for pruning users the following accounts will be deactivated.',
 
-	'SELECT_USERS_EXPLAIN'		=> 'Enter specific usernames here, they will be used in preference to the criteria above.',
+	'SELECT_USERS_EXPLAIN'		=> 'Enter specific usernames here, they will be used in preference to the criteria above. Founders cannot be pruned.',
 
 	'USER_DEACTIVATE_SUCCESS'	=> 'The selected users have been deactivated successfully.',
 	'USER_DELETE_SUCCESS'		=> 'The selected users have been deleted successfully.',