diff --git a/account_constraints/__openerp__.py b/account_constraints/__openerp__.py
index 33de72c9f..80009f2bb 100644
--- a/account_constraints/__openerp__.py
+++ b/account_constraints/__openerp__.py
@@ -51,9 +51,9 @@ Summary of constraints are:
   
 * Remove the possibility to modify or delete a move line related to an
   invoice or a bank statement, no matter what the status of the move
-  (draft, validated or posted). This is usefule in standard context but
-  moreover if you're using : account_default_draft_move. This way you ensure
-  user cannot make mistake even in draft, he must pass through the 
+  (draft, validated or posted). This is useful in a standard context but
+  even more if you're using `account_default_draft_move`. This way you ensure
+  that the user cannot make mistakes even in draft state, he must pass through the 
   parent object to make his modification.
 
     """,
diff --git a/account_constraints/account_constraints.py b/account_constraints/account_constraints.py
index 22c6f550e..0b1155380 100644
--- a/account_constraints/account_constraints.py
+++ b/account_constraints/account_constraints.py
@@ -48,7 +48,7 @@ class AccountMoveLine(orm.Model):
             if line.invoice:
                 err_msg = _('Invoice name (id): %s (%s)') % (line.invoice.name, str(line.invoice.id))
                 raise osv.except_osv(
-                    _('Error!'), 
+                    _('Error'), 
                     _('You cannot do this on an entry generated by an invoice. You must '
                     'change the related invoice directly.\n%s.') % err_msg)
         return True
@@ -58,18 +58,19 @@ class AccountMoveLine(orm.Model):
             if line.statement_id:
                 err_msg = _('Bank statement name (id): %s (%s)') % (line.statement_id.name, str(line.statement_id.id))
                 raise osv.except_osv(
-                    _('Error!'), 
+                    _('Error'), 
                     _('You cannot do this on an entry generated by a bank statement. '
                     'You must change the related bank statement directly.\n%s.') % err_msg)
         return True
 
     def unlink(self, cr, uid, ids, context=None, check=True):
-        """ Add the verification of:
+        """ Add the following checks:
             - Is the move related to an invoice
             - Is the move related to a bank statement
             In that case, we forbid the move to be deleted even if draft. We should
             never delete directly a move line related or generated by another object.
-            This is mandatory if you use the all move in draft (module: account_default_draft_move)
+            This is mandatory if you use the module setting all moves in draft 
+            (module: account_default_draft_move)
             """
         if not context.get('from_parent_object', False):
             self._check_invoice_related_move(cr, uid, ids, context=context)
@@ -77,12 +78,13 @@ class AccountMoveLine(orm.Model):
         return super(AccountMoveLine, self).unlink(cr, uid, ids, context=context, check=check)
 
     def write(self, cr, uid, ids, vals, context=None, check=True, update_check=True):
-        """ Add the verification of:
+        """ Add the following checks:
             - Is the move related to an invoice
             - Is the move related to a bank statement
             In that case, we forbid the move to be modified even if draft. We should
             never update directly a move line related or generated by another object.
-            This is mandatory if you use the all move in draft (module: account_default_draft_move)
+            This is mandatory if you use the module setting all moves in draft 
+            (module: account_default_draft_move)
             """
         if not context.get('from_parent_object', False):
             self._check_invoice_related_move(cr, uid, ids, context=context)
@@ -137,7 +139,7 @@ class AccountInvoice(orm.Model):
     def action_cancel(self, cr, uid, ids, context=None):
         """Override the method to add the key 'from_parent_object' in
         the context. This is to allow to delete move line related to invoice
-        through the buton cancel."""
+        through the cancel button."""
         if context is None:
             context = {}
         context['from_parent_object'] = True
@@ -158,7 +160,7 @@ class AccountBankStatement(orm.Model):
     def button_cancel(self, cr, uid, ids, context=None):
         """Override the method to add the key 'from_parent_object' in
         the context. This is to allow to delete move line related to bank statement
-        through the buton cancel."""
+        through the cancel button."""
         if context is None:
             context = {}
         context['from_parent_object'] = True