diff --git a/phpBB/includes/acp/acp_database.php b/phpBB/includes/acp/acp_database.php
index e023e53013..1842ecd98f 100644
--- a/phpBB/includes/acp/acp_database.php
+++ b/phpBB/includes/acp/acp_database.php
@@ -409,6 +409,9 @@ class acp_database
 	}
 }
 
+/**
+* @package acp
+*/
 class base_extractor
 {
 	var $fh;
@@ -549,6 +552,9 @@ class base_extractor
 	}
 }
 
+/**
+* @package acp
+*/
 class mysql_extractor extends base_extractor
 {
 	function write_start($table_prefix)
@@ -851,6 +857,9 @@ class mysql_extractor extends base_extractor
 	}
 }
 
+/**
+* @package acp
+*/
 class sqlite_extractor extends base_extractor
 {
 	function write_start($prefix)
@@ -987,6 +996,9 @@ class sqlite_extractor extends base_extractor
 	}
 }
 
+/**
+* @package acp
+*/
 class postgres_extractor extends base_extractor
 {
 	function write_start($prefix)
@@ -1277,6 +1289,9 @@ class postgres_extractor extends base_extractor
 	}
 }
 
+/**
+* @package acp
+*/
 class mssql_extractor extends base_extractor
 {
 	function write_end()
@@ -1612,6 +1627,9 @@ class mssql_extractor extends base_extractor
 
 }
 
+/**
+* @package acp
+*/
 class oracle_extractor extends base_extractor
 {
 	function write_table($table_name)
@@ -1811,6 +1829,9 @@ class oracle_extractor extends base_extractor
 	}
 }
 
+/**
+* @package acp
+*/
 class firebird_extractor extends base_extractor
 {
 	function write_start($prefix)