Add the UI part of the options

Author: NolwennP

content/img/screenshots/v3.0/reference_entity_attribute_options.png

@@ -1113,7 +1113,7 @@ Below is the JSON format representing a reference entity.
 Reference entities have attributes that allow to describe their [records](/documentation/resources.html#reference-entity-record-3x-and-ee-only).
 
 ::: warning
-Note that "Reference entity attribute" are not the same entity as "Attribute", even though they have a lot in common. The first one is used to describe reference entities records, the second one is use to describe products.
+Note that the "Reference entity attribute" resource is not the same as the "Attribute" resource, even though they have a lot in common. The first one is used to describe reference entities records, the second one is use to describe products.
 :::
 
 In the Akeneo UI, you can find the attributes that compose a given reference entity by following these simple steps. Go in the `Entities` menu. Click on a reference entity and then, click on the `Attributes` sub menu. Below is an example of the attributes that compose the `Designer` entity in the UI.
@@ -1225,32 +1225,34 @@ Format for the `reference entity single link` and `reference entity multiple lin
 Some type of attributes of reference entities can offer a list of choices. These available choices are reference entity attribute options.
 
 ::: warning
-Note that "Reference entity attribute option" are not the same entity as "Attribute option", even though they have a lot in common. The first one is an option of an attribute used to describe reference entities records, the second one is an option of an attribute used to describe products.
+Note that the "Reference entity attribute option" resource is not the same as the "Attribute option" resource, even though they have a lot in common. The first one is an option of an attribute used to describe reference entities records, the second one is an option of an attribute used to describe products.
 :::
 
 Only attribute of type `single option` or `multiple options` can have options.
 
-In the Akeneo UI, ... ?? TODO
+In the Akeneo UI, if you want to manage the options of an reference entity attribute with single and multiple options, first, select a reference entity in the `Entities` menu. Then, click on the `Attributes` sub-menu. Click on the edit button of a single or multiple options attribute. An edit popin should open. Then, click on the `Manage options` button. Here you are! You can view and edit the options of your attribute.  
 
-![Reference entity attribute options in the Akeneo UI](/img/screenshots/v3.0/....png) // TODO
+The screenshot below shows the screen where you can manage your options.
+
+![Reference entity attribute options in the Akeneo UI](/img/screenshots/v3.0/reference_entity_attribute_options.png)
 
 Below is the JSON format representing these reference entity attribute options.
 
 ```json
 {
-  "code": "global_nomad",
+  "code": "europe",
   "labels": {
-    "en_US": "Global Nomad",
-    "fr_FR": "Nomade du Monde"
+    "en_US": "Europe",
+    "fr_FR": "Europe"
   }
 }
 ```
 ```json
 {
-  "code": "new_nordic",
+  "code": "asia",
   "labels": {
-    "en_US": "New Nordic",
-    "fr_FR": "Renouveau Scandinave"
+    "en_US": "Asia",
+    "fr_FR": "Asie"
   }
 }
 ```