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-rw-r--r--phpBB/includes/functions.php2
1 files changed, 2 insertions, 0 deletions
diff --git a/phpBB/includes/functions.php b/phpBB/includes/functions.php
index a24dcfdf5b..09487ce10d 100644
--- a/phpBB/includes/functions.php
+++ b/phpBB/includes/functions.php
@@ -1302,6 +1302,8 @@ function tz_select($default = '', $truncate = false)
* If this results in rows violating uniqueness constraints, the duplicate
* rows are eliminated.
*
+* The only supported tables are bookmarks and topics_watch.
+*
* @param dbal $db Database object
* @param string $table Table on which to perform the update
* @param string $column Column whose values to change