Clarify which node / resource types support node_color

website/docs/reference/resource-configs/docs.md

@@ -156,7 +156,7 @@ macros:
 </Tabs>
 
 ## Definition
-The docs field can be used to provide documentation-specific configuration to models. It supports the doc attribute `show`, which controls whether or not models are shown in the auto-generated documentation website. It also supports `node_color` for some node types.
+The docs field can be used to provide documentation-specific configuration to models. It supports the doc attribute `show`, which controls whether or not models are shown in the auto-generated documentation website. It also supports `node_color` for the node type "Model".
 
 **Note:** Hidden models will still appear in the dbt DAG visualization but will be identified as "hidden.”