diff --git a/database.sql b/database.sql
index 6fa67d743e..04a35634e0 100644
--- a/database.sql
+++ b/database.sql
@@ -568,7 +568,7 @@ CREATE TABLE IF NOT EXISTS `item` (
 	`extid` varchar(255) NOT NULL DEFAULT '' COMMENT '',
 	`post-type` tinyint unsigned NOT NULL DEFAULT 0 COMMENT 'Post type (personal note, bookmark, ...)',
 	`global` boolean NOT NULL DEFAULT '0' COMMENT '',
-	`private` tinyint unsigned NOT NULL DEFAULT 0 COMMENT 'distribution is restricted',
+	`private` tinyint unsigned NOT NULL DEFAULT 0 COMMENT '0=public, 1=private, 2=unlisted',
 	`visible` boolean NOT NULL DEFAULT '0' COMMENT '',
 	`moderated` boolean NOT NULL DEFAULT '0' COMMENT '',
 	`deleted` boolean NOT NULL DEFAULT '0' COMMENT 'item has been deleted',
@@ -1178,7 +1178,7 @@ CREATE TABLE IF NOT EXISTS `thread` (
 	`received` datetime NOT NULL DEFAULT '0001-01-01 00:00:00' COMMENT '',
 	`changed` datetime NOT NULL DEFAULT '0001-01-01 00:00:00' COMMENT '',
 	`wall` boolean NOT NULL DEFAULT '0' COMMENT '',
-	`private` tinyint unsigned NOT NULL DEFAULT 0 COMMENT '',
+	`private` tinyint unsigned NOT NULL DEFAULT 0 COMMENT '0=public, 1=private, 2=unlisted',
 	`pubmail` boolean NOT NULL DEFAULT '0' COMMENT '',
 	`moderated` boolean NOT NULL DEFAULT '0' COMMENT '',
 	`visible` boolean NOT NULL DEFAULT '0' COMMENT '',
diff --git a/static/dbstructure.config.php b/static/dbstructure.config.php
index ad9d27fc98..5b2e3bc091 100755
--- a/static/dbstructure.config.php
+++ b/static/dbstructure.config.php
@@ -647,7 +647,7 @@ return [
 			"extid" => ["type" => "varchar(255)", "not null" => "1", "default" => "", "comment" => ""],
 			"post-type" => ["type" => "tinyint unsigned", "not null" => "1", "default" => "0", "comment" => "Post type (personal note, bookmark, ...)"],
 			"global" => ["type" => "boolean", "not null" => "1", "default" => "0", "comment" => ""],
-			"private" => ["type" => "tinyint unsigned", "not null" => "1", "default" => "0", "comment" => "distribution is restricted"],
+			"private" => ["type" => "tinyint unsigned", "not null" => "1", "default" => "0", "comment" => "0=public, 1=private, 2=unlisted"],
 			"visible" => ["type" => "boolean", "not null" => "1", "default" => "0", "comment" => ""],
 			"moderated" => ["type" => "boolean", "not null" => "1", "default" => "0", "comment" => ""],
 			"deleted" => ["type" => "boolean", "not null" => "1", "default" => "0", "comment" => "item has been deleted"],
@@ -1294,7 +1294,7 @@ return [
 			"received" => ["type" => "datetime", "not null" => "1", "default" => DBA::NULL_DATETIME, "comment" => ""],
 			"changed" => ["type" => "datetime", "not null" => "1", "default" => DBA::NULL_DATETIME, "comment" => ""],
 			"wall" => ["type" => "boolean", "not null" => "1", "default" => "0", "comment" => ""],
-			"private" => ["type" => "tinyint unsigned", "not null" => "1", "default" => "0", "comment" => ""],
+			"private" => ["type" => "tinyint unsigned", "not null" => "1", "default" => "0", "comment" => "0=public, 1=private, 2=unlisted"],
 			"pubmail" => ["type" => "boolean", "not null" => "1", "default" => "0", "comment" => ""],
 			"moderated" => ["type" => "boolean", "not null" => "1", "default" => "0", "comment" => ""],
 			"visible" => ["type" => "boolean", "not null" => "1", "default" => "0", "comment" => ""],