diff --git a/manual/codes/DQL (Doctrine Query Language) - SELECT queries - Aggregate values.php b/manual/codes/DQL (Doctrine Query Language) - SELECT queries - Aggregate values.php
index da23897fc..9be313891 100644
--- a/manual/codes/DQL (Doctrine Query Language) - SELECT queries - Aggregate values.php	
+++ b/manual/codes/DQL (Doctrine Query Language) - SELECT queries - Aggregate values.php	
@@ -1,5 +1,5 @@
 <?php
-// SELECT u.*, COUNT(p.id) num_posts FROM User u, u.Posts p WHERE u.id = 1
+// SELECT u.*, COUNT(p.id) num_posts FROM User u, u.Posts p WHERE u.id = 1 GROUP BY u.id
 
 $query = new Doctrine_Query();