diff --git a/phpBB/language/lang_english/lang_admin.php b/phpBB/language/lang_english/lang_admin.php
index 8de9b5ff71..15d03c0a37 100644
--- a/phpBB/language/lang_english/lang_admin.php
+++ b/phpBB/language/lang_english/lang_admin.php
@@ -461,6 +461,7 @@ $lang['reset_group_changes'] = 'Reset Changes';
 $lang['No_group_name'] = 'You must specify a name for this group';
 $lang['No_group_moderator'] = 'You must specify a moderator for this group';
 $lang['No_group_mode'] = 'You must specify a mode for this group, open or closed';
+$lang['No_group_action'] = 'No action was specified';
 $lang['delete_group_moderator'] = 'Delete the old group moderator?';
 $lang['delete_moderator_explain'] = 'If you\'re changing the group moderator, check this box to remove the old moderator from the group.  Otherwise, do not check it, and the user will become a regular member of the group.';
 $lang['Click_return_groupsadmin'] = 'Click %sHere%s to return to Group Administration.';
diff --git a/phpBB/language/lang_english/lang_main.php b/phpBB/language/lang_english/lang_main.php
index bd5a5fbf66..a2058cdcd8 100644
--- a/phpBB/language/lang_english/lang_main.php
+++ b/phpBB/language/lang_english/lang_main.php
@@ -434,6 +434,10 @@ $lang['You_new_pm'] = 'A new private message is waiting for you in your Inbox';
 $lang['You_new_pms'] = 'New private messages are waiting for you in your Inbox';
 $lang['You_no_new_pm'] = 'No new private messages are waiting for you';
 
+$lang['Unread_message'] = 'Unread message';
+$lang['Read_message'] = 'Read message';
+
+$lang['Read_pm'] = 'Read message';
 $lang['Post_new_pm'] = 'Post message';
 $lang['Post_reply_pm'] = 'Reply to message';
 $lang['Post_quote_pm'] = 'Quote message';