address recent file & image fields data storage type changes

tyxla · tyxla · commit 12c4e1bac62e · 2016-03-15T14:19:32.000+02:00
diff --git a/documentation/2-fields/13-file.md b/documentation/2-fields/13-file.md
@@ -1,8 +1,8 @@
 # File
 
-Renders a text input with URL and file upload button. The built-in WordPress file handling interface is used.
+Renders a file upload field with a preview thumbnail of the uploaded file. The built-in WordPress file handling interface is used.
 
-This field type stores the **URL** of the selected file.
+This field type stores the **ID** of the selected file.
 
 ### Setup methods
 
diff --git a/documentation/2-fields/14-image.md b/documentation/2-fields/14-image.md
@@ -1,10 +1,10 @@
 # Image
 
-Renders a text input with URL and image upload button. The built-in WordPress file handling interface is used.
+Renders an image upload button with a preview thumbnail of the uploaded image. The built-in WordPress file handling interface is used.
 
 Supported image formats are: `jpg`, `jpeg`, `gif`, `png` and `bmp`.
 
-This field type stores the URL of the image.
+This field type stores the **ID** of the selected image.
 
 ### Setup methods
 
