PR cleanup

Author: rubenvanassche

docs/advanced-usage/available-mappers.md renamed to docs/advanced-usage/available-property-mappers.md

@@ -1,10 +1,16 @@
 ---
-title: Available mappers
+title: Available property mappers
 weight: 19
 ---
 
-Sometimes the property names in the array from which you're creating a data object might be different.
-You can use mappers for property names when it is created from an array using attributes:
+In previous sections we've already seen how
+to [create](/docs/laravel-data/v4/as-a-data-transfer-object/mapping-property-names) data objects where the keys of the
+payload differ from the property names of the data object. It is also possible
+to [transform](/docs/laravel-data/v4/as-a-resource/mapping-property-names) data objects to an
+array/json/... where the keys of the payload differ from the property names of the data object.
+
+These mappings can be set manually put the package also provide a set of mappers that can be used to automatically map
+property names:
 
 ```php
 class ContractData extends Data
@@ -39,3 +45,16 @@ ContractData::from([
     'ADDRESSLINE2' => 'some address line 2',
 ]);
 ```
+
+When transforming such a data object the payload will look like this:
+
+```json
+{
+    "name" : "Rick Astley",
+    "record_company" : "RCA Records",
+    "country field" : "Belgium",
+    "CityName" : "Antwerp",
+    "addressline1" : "some address line 1",
+    "ADDRESSLINE2" : "some address line 2"
+}
+```

docs/as-a-data-transfer-object/mapping-property-names.md

@@ -91,4 +91,4 @@ SongData::from([
 ]);
 ```
 
-You can also use other mappers to input and output property name mapping (see [available mappers](/docs/laravel-data/v4/advanced-usage/available-mappers)).
+The package has a set of default mappers available, you can find them [here](/docs/laravel-data/v4/advanced-usage/available-property-mappers).

docs/as-a-resource/mapping-property-names.md

@@ -81,4 +81,4 @@ And a transformed version of the data object will look like this:
 ]
 ```
 
-You can also use other mappers to input and output property name mapping (see [available mappers](/docs/laravel-data/v4/advanced-usage/available-mappers)).
+The package has a set of default mappers available, you can find them [here](/docs/laravel-data/v4/advanced-usage/available-property-mappers).