[IMP] inventory: add infos to "expiration_dates" + english improvements

+ rst cleanup (jcs)

content/applications/inventory_and_mrp/inventory/management/lots_serial_numbers/expiration_dates.rst

@@ -1,24 +1,23 @@
-=======================
+================
-Manage expiration dates
+Expiration Dates
-=======================
+================
 
-In many companies, products have expiration dates and they should be
+In many companies, products have expiration dates and they should be managed based on those dates.
-tracked based on those dates. In the food industry, for example,
+In the food industry, for example, tracking and managing product stock based on expiration dates is
-tracking stocks based on expiration dates is mandatory to avoid selling
+mandatory to avoid selling expired products to customers.
-expired products to customers.
 
-With Odoo, you can track your products based on their expiration dates,
+With Odoo, you can track and manage your products based on their expiration dates, even if they are
-even if they are already tracked by lots or serial numbers.
+already tracked by lots or serial numbers.
 
-Configurations
+Configuration
-==============
+=============
 
 Application configuration
 -------------------------
 
-To use expiration dates tracking, open the *Inventory* application and
+To use expiration date tracking, open the *Inventory* application and go to
-go to :menuselection:`Configuration --> Settings` and activate the *Lots & Serial
+:menuselection:`Configuration --> Settings` and activate the *Lots & Serial Numbers* and *Expiration
-Numbers* and *Expiration Dates* features.
+Dates* features.
 
 .. image:: media/expiration_dates_01.png
    :align: center
@@ -26,16 +25,18 @@ Numbers* and *Expiration Dates* features.
 Product configuration
 ---------------------
 
-Now, you have the possibility to define different dates in the
+Now, you can define different dates in the *inventory tab* of the product form:
-*inventory tab* of the product form:
 
--  Product Use Time: it’s the number of days before the goods start deteriorating, without being dangerous yet. It will be computed using the lot/serial number;
+- Product Use Time: the number of days before the goods start deteriorating, without being
-
+  dangerous. This is used to calculate the Best before date on each lot/serial number received.
--  Product Life Time: refers to the number of days before the goods may become dangerous and must not be consumed. It will be computed on the lot/serial number;
+- Product Life Time: the number of days before the goods may become dangerous and must not be
-
+  consumed. This is used to calculate the Expiration date on each lot/serial number received.
--  Product Removal Time: shows the number of days before the goods should be removed from the stock. It will be computed on the lot/serial number;
+- Product Removal Time: shows the number of days before the goods should be removed from the stock.
-
+  This is used to calculate the Removal date on each lot/serial number received.
--  Product Alert Time: refers to the number of days before an alert should be raised on the lot/serial number.
+- Product Alert Time: refers to the number of days before an alert should be raised on the
+  lot/serial number. This is used to calculate the Alert date on each lot/serial number received.
+  Once the Alert date is reached, an Activity is assigned on the relevant lot/serial number to the
+  Responsible user defined on the Product.
 
 .. image:: media/expiration_dates_02.png
    :align: center
@@ -43,10 +44,9 @@ Now, you have the possibility to define different dates in the
 Expiration Date on Lots/Serial Numbers
 ======================================
 
-When receiving a product in stock, the dates will automatically be
+When receiving a product into inventory, the dates will automatically be updated on the
-updated on the corresponding lot/serial number. This update will be
+corresponding lot/serial number. These updates will be based on the receipt date of the product and
-based on the reception date of the product and the times set on the
+the days set on the product form.
-product form.
 
 .. image:: media/expiration_dates_03.png
    :align: center
@@ -57,10 +57,9 @@ product form.
 Expiration Alerts
 =================
 
-You can access all your expiration alerts from the *inventory* app. To
+You can access expiration alerts from the *inventory* app. To do so, go to :menuselection:`Master
-do so, go to :menuselection:`Master Data --> Lots/Serial Numbers`. There, you can use
+Data --> Lots/Serial Numbers`. There, you can use the pre-existing filter to show all the
-the pre-existing filter that shows all the lots/serial numbers that
+lots/serial numbers that have exceeded their respective alert dates.
-exceeded their alert date.
 
 .. image:: media/expiration_dates_05.png
    :align: center