diff --git a/htdocs/install/mysql/migration/2.8.0-2.9.0.sql b/htdocs/install/mysql/migration/2.8.0-2.9.0.sql
index aae9a2e86b4..147b631e7a4 100755
--- a/htdocs/install/mysql/migration/2.8.0-2.9.0.sql
+++ b/htdocs/install/mysql/migration/2.8.0-2.9.0.sql
@@ -15,8 +15,8 @@ ALTER TABLE llx_product_stock drop column location;
 create table llx_product_association
 (
   rowid                 integer AUTO_INCREMENT PRIMARY KEY,
-  fk_product_pere       integer NOT NULL DEFAULT 0, -- id du produit maitre
-  fk_product_fils       integer NOT NULL DEFAULT 0, -- id du sous-produit
+  fk_product_pere       integer NOT NULL DEFAULT 0,
+  fk_product_fils       integer NOT NULL DEFAULT 0,
   qty                   double NULL
 )type=innodb;