diff --git a/addons/point_of_sale/wizard/pos_add_product.py b/addons/point_of_sale/wizard/pos_add_product.py
index 5d88b75d7ff..5150e10f99f 100644
--- a/addons/point_of_sale/wizard/pos_add_product.py
+++ b/addons/point_of_sale/wizard/pos_add_product.py
@@ -62,6 +62,14 @@ class add_product(osv.osv_memory):
             'type': 'ir.actions.act_window',
         }
     def close_action(self, cr, uid, ids, context):
+        """
+             To get the product and Make the payment .
+             @param self: The object pointer.
+             @param cr: A database cursor
+             @param uid: ID of the user currently logged in
+             @param context: A standard dictionary
+             @return : Return the Make Payment 
+        """
 
         record_id = context and context.get('active_id', False)
         order_obj= self.pool.get('pos.order')
diff --git a/addons/point_of_sale/wizard/pos_discount.py b/addons/point_of_sale/wizard/pos_discount.py
index 8b0f4b45fa4..0e3fc88767c 100644
--- a/addons/point_of_sale/wizard/pos_discount.py
+++ b/addons/point_of_sale/wizard/pos_discount.py
@@ -37,6 +37,14 @@ class pos_discount(osv.osv_memory):
 
         
     def view_init(self, cr, uid, fields_list, context=None):
+        """ 
+         Creates view dynamically and adding fields at runtime.
+         @param self: The object pointer.
+         @param cr: A database cursor
+         @param uid: ID of the user currently logged in
+         @param context: A standard dictionary 
+         @return: New arch of view with new columns.
+        """        
         res = super(pos_discount, self).view_init(cr, uid, fields_list, context=context)
         record_id = context and context.get('active_id', False) or False        
         order = self.pool.get('pos.order').browse(cr, uid, record_id)
diff --git a/addons/point_of_sale/wizard/pos_payment.py b/addons/point_of_sale/wizard/pos_payment.py
index 565ae257180..aa4d200467a 100644
--- a/addons/point_of_sale/wizard/pos_payment.py
+++ b/addons/point_of_sale/wizard/pos_payment.py
@@ -124,6 +124,7 @@ class pos_make_payment(osv.osv_memory):
         return result
 
     def check(self, cr, uid, ids, context):
+        
         """Check the order:
         if the order is not paid: continue payment,
         if the order is paid print invoice (if wanted) or ticket.
@@ -168,6 +169,10 @@ class pos_make_payment(osv.osv_memory):
 
     
     def create_invoice(self, cr, uid, ids, context):
+        
+        """
+          Create  a invoice 
+        """        
         wf_service = netsvc.LocalService("workflow")
         active_ids = [context and context.get('active_id',False)]      
         for i in active_ids:
@@ -180,8 +185,6 @@ class pos_make_payment(osv.osv_memory):
         }            
                     
     def print_report(self, cr, uid, ids, context=None):
-        if not context:
-            context={}
         """ 
          @summary: To get the date and print the report           
          @param self: The object pointer.
@@ -189,7 +192,9 @@ class pos_make_payment(osv.osv_memory):
          @param uid: ID of the user currently logged in
          @param context: A standard dictionary 
          @return : retrun report
-        """        
+        """          
+        if not context:
+            context={}
         active_id=context.get('active_id',[])        
         datas = {'ids' : [active_id]}
         res =  {}        
diff --git a/addons/point_of_sale/wizard/pos_payment_report_date.py b/addons/point_of_sale/wizard/pos_payment_report_date.py
index c2e60a07045..d30ff412887 100644
--- a/addons/point_of_sale/wizard/pos_payment_report_date.py
+++ b/addons/point_of_sale/wizard/pos_payment_report_date.py
@@ -26,9 +26,6 @@ import time
 
 
 class pos_payment_report_date(osv.osv_memory):
-    '''
-    Open ERP Model
-    '''
     _name = 'pos.payment.report.date'
     _description = 'POS Payment Report according to date'
     def print_report(self, cr, uid, ids, context=None):
diff --git a/addons/point_of_sale/wizard/pos_payment_report_user.py b/addons/point_of_sale/wizard/pos_payment_report_user.py
index c8f32ff8cb0..e58073bdcbd 100644
--- a/addons/point_of_sale/wizard/pos_payment_report_user.py
+++ b/addons/point_of_sale/wizard/pos_payment_report_user.py
@@ -25,9 +25,6 @@ from osv import fields
 
 
 class pos_payment_report_user(osv.osv_memory):
-    '''
-    Open ERP Model
-    '''
     _name = 'pos.payment.report.user'
     _description = 'Sales lines by Users'
     def print_report(self, cr, uid, ids, context=None):
diff --git a/addons/point_of_sale/wizard/pos_receipt.py b/addons/point_of_sale/wizard/pos_receipt.py
index bf37288f55b..daf63fd6674 100644
--- a/addons/point_of_sale/wizard/pos_receipt.py
+++ b/addons/point_of_sale/wizard/pos_receipt.py
@@ -32,6 +32,14 @@ class pos_receipt(osv.osv_memory):
     }
 
     def view_init(self, cr, uid, fields_list, context=None):
+        """ 
+         Creates view dynamically and adding fields at runtime.
+         @param self: The object pointer.
+         @param cr: A database cursor
+         @param uid: ID of the user currently logged in
+         @param context: A standard dictionary 
+         @return: New arch of view with new columns.
+        """         
         order_lst = self. pool.get('pos.order').browse(cr, uid, context['active_id'])
         for order in order_lst:
             if order.state_2 in ('to_verify'):
diff --git a/addons/point_of_sale/wizard/pos_return.py b/addons/point_of_sale/wizard/pos_return.py
index 91a063df9a9..13a31057d28 100644
--- a/addons/point_of_sale/wizard/pos_return.py
+++ b/addons/point_of_sale/wizard/pos_return.py
@@ -63,6 +63,14 @@ class pos_return(osv.osv_memory):
         return res
                    
     def view_init(self, cr, uid, fields_list, context=None):
+        """ 
+         Creates view dynamically and adding fields at runtime.
+         @param self: The object pointer.
+         @param cr: A database cursor
+         @param uid: ID of the user currently logged in
+         @param context: A standard dictionary 
+         @return: New arch of view with new columns.
+        """         
         res = super(pos_return, self).view_init(cr, uid, fields_list, context=context)
         order_obj=self.pool.get('pos.order')           
         if not context:
@@ -77,6 +85,18 @@ class pos_return(osv.osv_memory):
         return res   
 
     def fields_view_get(self, cr, uid, view_id=None, view_type='form', context=None, toolbar=False,submenu=False):
+
+        """ 
+             Changes the view dynamically
+        
+             @param self: The object pointer.
+             @param cr: A database cursor
+             @param uid: ID of the user currently logged in
+             @param context: A standard dictionary 
+             
+             @return: New arch of view.
+        
+        """        
         result = super(pos_return, self).fields_view_get(cr, uid, view_id, view_type, context, toolbar,submenu)
         if not context:
             context={}
@@ -123,6 +143,15 @@ class pos_return(osv.osv_memory):
        
        
     def  create_returns(self, cr, uid, data, context):
+        """ 
+             @param self: The object pointer.
+             @param cr: A database cursor
+             @param uid: ID of the user currently logged in
+             @param context: A standard dictionary 
+             
+             @return: Return the add product form again for adding more product
+        
+        """
         return {
                 'name': _('Add Product'),
                 'view_type': 'form',