improve instructions

Author: kentcdodds

exercises/03.resources/README.mdx

@@ -116,8 +116,8 @@ database entry with a specific ID).
 In this exercise, you'll extend your EpicMe journaling app to expose new types
 of resources:
 
-- **Credits metadata**: A simple resource describing the app's creator.
-- **Database-backed resources**: Journal entries and tags, each accessible via a
+- **Tags**: A simple resource returning all available tags.
+- **Resource Templates**: Journal entries and tags, each accessible via a
   unique URI and discoverable through resource templates.
 - **Embedded resources**: Making it possible for tools to return references to
   resources as part of their output, enabling richer, more contextual