diff --git a/addons/account/i18n/account.pot b/addons/account/i18n/account.pot
index b092b3a2f8c..76b4a8b83dc 100644
--- a/addons/account/i18n/account.pot
+++ b/addons/account/i18n/account.pot
@@ -2538,7 +2538,7 @@ msgstr ""
 #: code:addons/account/account_invoice.py:688
 #: code:addons/account/account_move_line.py:173
 #, python-format
-msgid "You have to define an analytic journal on the '%s' journal!"
+msgid "You have to define an analytic journal on the '%s' journal."
 msgstr ""
 
 #. module: account
diff --git a/addons/account_analytic_plans/account_analytic_plans.py b/addons/account_analytic_plans/account_analytic_plans.py
index c52485ae623..c0f7e062b21 100644
--- a/addons/account_analytic_plans/account_analytic_plans.py
+++ b/addons/account_analytic_plans/account_analytic_plans.py
@@ -218,7 +218,7 @@ class account_analytic_plan_instance(osv.osv):
 
             pids = ana_plan_instance_obj.search(cr, uid, [('name','=',vals['name']), ('code','=',vals['code']), ('plan_id','<>',False)], context=context)
             if pids:
-                raise osv.except_osv(_('Error'), _('A model having this name and code already exists !'))
+                raise osv.except_osv(_('Error'), _('A model having same name and code.'))
 
             res = acct_anal_plan_line_obj.search(cr, uid, [('plan_id','=',journal.plan_id.id)], context=context)
             for i in res:
@@ -231,7 +231,7 @@ class account_analytic_plan_instance(osv.osv):
                             if acct_anal_acct.search(cr, uid, [('parent_id', 'child_of', [item.root_analytic_id.id]), ('id', '=', tempo[2]['analytic_account_id'])], context=context):
                                 total_per_plan += tempo[2]['rate']
                 if total_per_plan < item.min_required or total_per_plan > item.max_required:
-                    raise osv.except_osv(_('Value Error'),_('The Total Should be Between %s and %s') % (str(item.min_required), str(item.max_required)))
+                    raise osv.except_osv(_('Value Error'),_('The total should be between %s and %s.') % (str(item.min_required), str(item.max_required)))
 
         return super(account_analytic_plan_instance, self).create(cr, uid, vals, context=context)
 
@@ -338,7 +338,7 @@ class account_move_line(osv.osv):
         for line in self.browse(cr, uid, ids, context=context):
            if line.analytics_id:
                if not line.journal_id.analytic_journal_id:
-                   raise osv.except_osv(_('No Analytic Journal !'),_("You have to define an analytic journal on the '%s' journal!") % (line.journal_id.name,))
+                   raise osv.except_osv(_('No Analytic Journal !'),_("You have to define an analytic journal on the '%s' journal.") % (line.journal_id.name,))
 
                toremove = analytic_line_obj.search(cr, uid, [('move_id','=',line.id)], context=context)
                if toremove:
@@ -482,7 +482,7 @@ class account_bank_statement(osv.osv):
             for st_line in st.line_ids:
                 if st_line.analytics_id:
                     if not st.journal_id.analytic_journal_id:
-                        raise osv.except_osv(_('No Analytic Journal !'),_("You have to define an analytic journal on the '%s' journal!") % (st.journal_id.name,))
+                        raise osv.except_osv(_('No Analytic Journal !'),_("You have to define an analytic journal on the '%s' journal.") % (st.journal_id.name,))
                 if not st_line.amount:
                     continue
         return True
diff --git a/addons/account_analytic_plans/i18n/account_analytic_plans.pot b/addons/account_analytic_plans/i18n/account_analytic_plans.pot
index 50327bcdff1..440d6907117 100644
--- a/addons/account_analytic_plans/i18n/account_analytic_plans.pot
+++ b/addons/account_analytic_plans/i18n/account_analytic_plans.pot
@@ -183,13 +183,13 @@ msgstr ""
 #. module: account_analytic_plans
 #: code:addons/account_analytic_plans/account_analytic_plans.py:221
 #, python-format
-msgid "A model having this name and code already exists !"
+msgid "A model having same name and code."
 msgstr ""
 
 #. module: account_analytic_plans
 #: code:addons/account_analytic_plans/wizard/analytic_plan_create_model.py:41
 #, python-format
-msgid "No analytic plan defined !"
+msgid "No analytic plan defined."
 msgstr ""
 
 #. module: account_analytic_plans
@@ -278,7 +278,7 @@ msgstr ""
 #: code:addons/account_analytic_plans/account_analytic_plans.py:341
 #: code:addons/account_analytic_plans/account_analytic_plans.py:485
 #, python-format
-msgid "You have to define an analytic journal on the '%s' journal!"
+msgid "You have to define an analytic journal on the '%s' journal."
 msgstr ""
 
 #. module: account_analytic_plans
@@ -362,7 +362,7 @@ msgstr ""
 #. module: account_analytic_plans
 #: code:addons/account_analytic_plans/wizard/analytic_plan_create_model.py:38
 #, python-format
-msgid "Please put a name and a code before saving the model !"
+msgid "Please put a name and a code before saving the model."
 msgstr ""
 
 #. module: account_analytic_plans
@@ -426,7 +426,7 @@ msgstr ""
 #. module: account_analytic_plans
 #: code:addons/account_analytic_plans/account_analytic_plans.py:234
 #, python-format
-msgid "The Total Should be Between %s and %s"
+msgid "The total should be between %s and %s."
 msgstr ""
 
 #. module: account_analytic_plans
diff --git a/addons/account_analytic_plans/wizard/account_crossovered_analytic.py b/addons/account_analytic_plans/wizard/account_crossovered_analytic.py
index 86fa1c888f5..e8e7ef90668 100644
--- a/addons/account_analytic_plans/wizard/account_crossovered_analytic.py
+++ b/addons/account_analytic_plans/wizard/account_crossovered_analytic.py
@@ -58,7 +58,7 @@ class account_crossovered_analytic(osv.osv_memory):
                 flag = False
                 break
         if flag:
-            raise osv.except_osv(_('User Error'),_('There are no Analytic lines related to Account %s' % name))
+            raise osv.except_osv(_('User Error'),_('There are no Analytic lines related to Account %s.' % name))
 
         datas = {
              'ids': [],
diff --git a/addons/account_analytic_plans/wizard/analytic_plan_create_model.py b/addons/account_analytic_plans/wizard/analytic_plan_create_model.py
index 1cd3022f60b..2f3aa088ee3 100644
--- a/addons/account_analytic_plans/wizard/analytic_plan_create_model.py
+++ b/addons/account_analytic_plans/wizard/analytic_plan_create_model.py
@@ -35,10 +35,10 @@ class analytic_plan_create_model(osv.osv_memory):
         if 'active_id' in context and context['active_id']:
             plan = plan_obj.browse(cr, uid, context['active_id'], context=context)
             if (not plan.name) or (not plan.code):
-                raise osv.except_osv(_('Error'), _('Please put a name and a code before saving the model !'))
+                raise osv.except_osv(_('Error'), _('Please put a name and a code before saving the model.'))
             pids = anlytic_plan_obj.search(cr, uid, [], context=context)
             if not pids:
-                raise osv.except_osv(_('Error'), _('No analytic plan defined !'))
+                raise osv.except_osv(_('Error'), _('No analytic plan defined.'))
             plan_obj.write(cr, uid, [context['active_id']], {'plan_id':pids[0]}, context=context)
 
             model_data_ids = mod_obj.search(cr, uid, [('model', '=', 'ir.ui.view'),('name', '=', 'view_analytic_plan_create_model')], context=context)
diff --git a/addons/account_asset/account_asset.py b/addons/account_asset/account_asset.py
index 0799a59a423..66d48e3827f 100644
--- a/addons/account_asset/account_asset.py
+++ b/addons/account_asset/account_asset.py
@@ -270,7 +270,7 @@ class account_asset_asset(osv.osv):
         return True
 
     _constraints = [
-        (_check_recursion, 'Error ! You can not create recursive assets.', ['parent_id']),
+        (_check_recursion, 'Error ! You cannot create recursive assets.', ['parent_id']),
         (_check_prorata, 'Prorata temporis can be applied only for time method "number of depreciations".', ['prorata']),
     ]
 
diff --git a/addons/account_asset/i18n/account_asset.pot b/addons/account_asset/i18n/account_asset.pot
index 5edf34517b1..a529e56e4e6 100644
--- a/addons/account_asset/i18n/account_asset.pot
+++ b/addons/account_asset/i18n/account_asset.pot
@@ -323,7 +323,7 @@ msgstr ""
 
 #. module: account_asset
 #: constraint:account.asset.asset:0
-msgid "Error ! You can not create recursive assets."
+msgid "Error ! You cannot create recursive assets."
 msgstr ""
 
 #. module: account_asset
diff --git a/addons/account_bank_statement_extensions/account_bank_statement.py b/addons/account_bank_statement_extensions/account_bank_statement.py
index 29b4c4fdb84..f7bd8854b56 100644
--- a/addons/account_bank_statement_extensions/account_bank_statement.py
+++ b/addons/account_bank_statement_extensions/account_bank_statement.py
@@ -127,7 +127,7 @@ class account_bank_statement_line(osv.osv):
             context = {}
         if context.get('block_statement_line_delete', False):
             raise osv.except_osv(_('Warning'), _('Delete operation not allowed ! \
-            Please go to the associated bank statement in order to delete and/or modify this bank statement line'))
+            Please go to the associated bank statement in order to delete and/or modify bank statement line.'))
         return super(account_bank_statement_line, self).unlink(cr, uid, ids, context=context)
 
 account_bank_statement_line()
diff --git a/addons/account_bank_statement_extensions/i18n/account_bank_statement_extensions.pot b/addons/account_bank_statement_extensions/i18n/account_bank_statement_extensions.pot
index 0acf875fe97..ece0af13a1d 100644
--- a/addons/account_bank_statement_extensions/i18n/account_bank_statement_extensions.pot
+++ b/addons/account_bank_statement_extensions/i18n/account_bank_statement_extensions.pot
@@ -112,7 +112,7 @@ msgstr ""
 #. module: account_bank_statement_extensions
 #: code:addons/account_bank_statement_extensions/account_bank_statement.py:130
 #, python-format
-msgid "Delete operation not allowed !             Please go to the associated bank statement in order to delete and/or modify this bank statement line"
+msgid "Delete operation not allowed !             Please go to the associated bank statement in order to delete and/or modify bank statement line."
 msgstr ""
 
 #. module: account_bank_statement_extensions
diff --git a/addons/account_payment/account_move_line.py b/addons/account_payment/account_move_line.py
index 24f9486be95..5e7a9930b52 100644
--- a/addons/account_payment/account_move_line.py
+++ b/addons/account_payment/account_move_line.py
@@ -107,7 +107,7 @@ class account_move_line(osv.osv):
                 if line.id not in line2bank and line.partner_id.bank_ids:
                     line2bank[line.id] = line.partner_id.bank_ids[0].id
             else:
-                raise osv.except_osv(_('Error !'), _('No partner defined on entry line'))
+                raise osv.except_osv(_('Error !'), _('No partner defined on entry line.'))
         return line2bank
 
     _columns = {
diff --git a/addons/account_payment/i18n/account_payment.pot b/addons/account_payment/i18n/account_payment.pot
index 0588747c3f7..c6554465f04 100644
--- a/addons/account_payment/i18n/account_payment.pot
+++ b/addons/account_payment/i18n/account_payment.pot
@@ -402,7 +402,7 @@ msgstr ""
 #. module: account_payment
 #: code:addons/account_payment/account_move_line.py:110
 #, python-format
-msgid "No partner defined on entry line"
+msgid "No partner defined on entry line."
 msgstr ""
 
 #. module: account_payment
diff --git a/addons/account_voucher/account_voucher.py b/addons/account_voucher/account_voucher.py
index 2cefaf15f0e..c3af52f7dd0 100644
--- a/addons/account_voucher/account_voucher.py
+++ b/addons/account_voucher/account_voucher.py
@@ -473,7 +473,7 @@ class account_voucher(osv.osv):
             tr_type = 'purchase'
         else:
             if not journal.default_credit_account_id or not journal.default_debit_account_id:
-                raise osv.except_osv(_('Error !'), _('Please define default credit/debit accounts on the journal "%s" !') % (journal.name))
+                raise osv.except_osv(_('Error !'), _('Please define default credit/debit accounts on the journal "%s".') % (journal.name))
             account_id = journal.default_credit_account_id.id or journal.default_debit_account_id.id
             tr_type = 'receipt'
 
@@ -822,7 +822,7 @@ class account_voucher(osv.osv):
     def unlink(self, cr, uid, ids, context=None):
         for t in self.read(cr, uid, ids, ['state'], context=context):
             if t['state'] not in ('draft', 'cancel'):
-                raise osv.except_osv(_('Invalid action !'), _('Cannot delete Voucher(s) which are already opened or paid !'))
+                raise osv.except_osv(_('Invalid action !'), _('Cannot delete Voucher(s) which are already opened or paid.'))
         return super(account_voucher, self).unlink(cr, uid, ids, context=context)
 
     def onchange_payment(self, cr, uid, ids, pay_now, journal_id, partner_id, ttype='sale'):
@@ -920,7 +920,7 @@ class account_voucher(osv.osv):
             name = seq_obj.next_by_id(cr, uid, voucher_brw.journal_id.sequence_id.id, context=context)
         else:
             raise osv.except_osv(_('Error !'),
-                        _('Please define a sequence on the journal !'))
+                        _('Please define a sequence on the journal.'))
         if not voucher_brw.reference:
             ref = name.replace('/','')
         else:
@@ -952,11 +952,11 @@ class account_voucher(osv.osv):
         if amount_residual > 0:
             account_id = line.voucher_id.company_id.expense_currency_exchange_account_id
             if not account_id:
-                raise osv.except_osv(_('Warning'),_("Unable to create accounting entry for currency rate difference. You have to configure the field 'Income Currency Rate' on the company! "))
+                raise osv.except_osv(_('Warning'),_("First configure the 'Income Currency Rate' on the company,after that create accounting entry for currency rate difference."))
         else:
             account_id = line.voucher_id.company_id.income_currency_exchange_account_id
             if not account_id:
-                raise osv.except_osv(_('Warning'),_("Unable to create accounting entry for currency rate difference. You have to configure the field 'Expense Currency Rate' on the company! "))
+                raise osv.except_osv(_('Warning'),_("First configure the 'Expense Currency Rate' on the company,after that create accounting entry for currency rate difference."))
         # Even if the amount_currency is never filled, we need to pass the foreign currency because otherwise
         # the receivable/payable account may have a secondary currency, which render this field mandatory
         account_currency_id = company_currency <> current_currency and current_currency or False
diff --git a/addons/account_voucher/i18n/account_voucher.pot b/addons/account_voucher/i18n/account_voucher.pot
index 17159ada24f..d3fc5a54831 100644
--- a/addons/account_voucher/i18n/account_voucher.pot
+++ b/addons/account_voucher/i18n/account_voucher.pot
@@ -81,7 +81,7 @@ msgstr ""
 #. module: account_voucher
 #: code:addons/account_voucher/account_voucher.py:797
 #, python-format
-msgid "Cannot delete Voucher(s) which are already opened or paid !"
+msgid "Cannot delete Voucher(s) which are already opened or paid."
 msgstr ""
 
 #. module: account_voucher
@@ -620,8 +620,8 @@ msgstr ""
 #: code:addons/account_voucher/account_voucher.py:927
 #, python-format
 msgid ""
-"Unable to create accounting entry for currency rate difference. You have to "
-"configure the field 'Income Currency Rate' on the company! "
+"First configure the 'Income Currency Rate' on the company,after that create "
+"accounting entry for currency rate difference."
 msgstr ""
 
 #. module: account_voucher
@@ -751,7 +751,7 @@ msgstr ""
 #. module: account_voucher
 #: code:addons/account_voucher/account_voucher.py:462
 #, python-format
-msgid "Please define default credit/debit accounts on the journal \"%s\" !"
+msgid "Please define default credit/debit accounts on the journal \"%s\"."
 msgstr ""
 
 #. module: account_voucher
@@ -762,7 +762,7 @@ msgstr ""
 #. module: account_voucher
 #: code:addons/account_voucher/account_voucher.py:895
 #, python-format
-msgid "Please define a sequence on the journal !"
+msgid "Please define a sequence on the journal."
 msgstr ""
 
 #. module: account_voucher
@@ -1059,8 +1059,8 @@ msgstr ""
 #: code:addons/account_voucher/account_voucher.py:931
 #, python-format
 msgid ""
-"Unable to create accounting entry for currency rate difference. You have to "
-"configure the field 'Expense Currency Rate' on the company! "
+"First configure the  'Expense Currency Rate' on the company,after that create "
+"accounting entry for currency rate difference."
 msgstr ""
 
 #. module: account_voucher