Update 0001-stac-admin-plugin-system.md

adr/0001-stac-admin-plugin-system.md

@@ -12,8 +12,8 @@ The form to edit the STAC metadata may differ from instance to instance and from
 ## Decision Drivers
 
 The chosen option should allow:
-- Each instance to define what fields the form editor should have;
-- Within an instance, each collection/item to define what fields the form editor should have based on some sort of, possibly dynamic, criteria;
+- Each instance controls what fields are available in the editor.
+- Through instance-specific plugins, instances can define additional custom fields if required.
 
 ## Decision
 
@@ -22,6 +22,8 @@ This allows for a more modular approach to the editor. Each instance can use a d
 
 Drawing inspiration from the JSON schema spec, each plugin defines a schema to create the editor. For each field type there is a corresponding default widget to render it, but plugins can define their own widgets (in the form of a React component) to be used by the fields.
 
+We will provide and maintain plugins to that support editing meta data specified by a variety of commonly used STAC extensions.
+
 ### Consequences
 
 #### Pros