Update "Using Custom Components" section (#343)

Author: PERUSSEL

admin/getting-started.md

@@ -79,18 +79,18 @@ const myApiDocumentationParser = entrypoint => parseHydraDocumentation(entrypoin
       addField: true,
       addLabel: true
     };
-
+    
     return { api };
   })
 ;
 
 export default (props) => (
-  <HydraAdmin apiDocumentationParser={myApiDocumentationParser} entrypoint={entrypoint}/>
+    <HydraAdmin apiDocumentationParser={myApiDocumentationParser} entrypoint={entrypoint} />
 );
 ```
 
-The `fieldComponent` property of the `Field` class allows to set the component used to render a property in list and show screens.
-The `inputComponent` property allows to set the component to use to render the input used in create and edit screens.
+The `field` property of the `Field` class allows to set the component used to render a property in list and show screens.
+The `input` property allows to set the component to use to render the input used in create and edit screens.
 
 Any [field](https://marmelab.com/admin-on-rest/Fields.html) or [input](https://marmelab.com/admin-on-rest/Inputs.html) provided by the Admin On Rest library can be used.