diff --git a/mysql/tables/llx_accountingaccount.sql b/mysql/tables/llx_accountingaccount.sql
index 04479bc8efa87db3a96670fe6dc4bcacc6f1bc95..aaf8110e48c097b906b3acaa2665b7e80a5b8adc 100644
--- a/mysql/tables/llx_accountingaccount.sql
+++ b/mysql/tables/llx_accountingaccount.sql
@@ -16,6 +16,7 @@
 -- Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 --
 -- $Id$
+-- Table of "accounts" for accountancy expert module
 -- ============================================================================
 
 create table llx_accountingaccount
diff --git a/mysql/tables/llx_accountingdebcred.sql b/mysql/tables/llx_accountingdebcred.sql
index a10cb31fa741e6f340850639a27160740e10250f..c4d35a921551070ab610f250c443d1a779358998 100644
--- a/mysql/tables/llx_accountingdebcred.sql
+++ b/mysql/tables/llx_accountingdebcred.sql
@@ -16,6 +16,7 @@
 -- Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 --
 -- $Id$
+-- Table of "records" for accountancy expert module
 -- ============================================================================
 
 create table llx_accountingdebcred
diff --git a/mysql/tables/llx_accountingsystem.sql b/mysql/tables/llx_accountingsystem.sql
index 80ac83e83f1b52915080801413444a2b893c15bc..f0e1bf0d6fdc5e8eff8b76c57a72cb605db67852 100644
--- a/mysql/tables/llx_accountingsystem.sql
+++ b/mysql/tables/llx_accountingsystem.sql
@@ -16,6 +16,7 @@
 -- Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 --
 -- $Id$
+-- Table of "Plan de comptes" for accountancy expert module
 -- ============================================================================
 
 create table llx_accountingsystem
diff --git a/mysql/tables/llx_accountingtransaction.sql b/mysql/tables/llx_accountingtransaction.sql
index 56bf2b05cf7790a05dc17ff3e98932133784a0c7..7e7d2a9fc3a085be0c7f6b0b95a6e7fbe7720065 100644
--- a/mysql/tables/llx_accountingtransaction.sql
+++ b/mysql/tables/llx_accountingtransaction.sql
@@ -16,6 +16,7 @@
 -- Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 --
 -- $Id$
+-- Table of "transactions" for accountancy expert module (1 transaction = 2+ records)
 -- ============================================================================
 
 create table llx_accountingtransaction