docs: clean up Resources section to remove repetition (modelcontextprotocol#1713)

* docs: clean up Resources section to remove repetition

* docs: clean up wording

Co-authored-by: Jonathan Hefner <jonathan@hefner.pro>

---------

Co-authored-by: Jonathan Hefner <jonathan@hefner.pro>

Author: mst2k

docs/docs/learn/server-concepts.mdx

@@ -99,7 +99,9 @@ Resources provide structured access to information that the AI application can r
 
 Resources expose data from files, APIs, databases, or any other source that an AI needs to understand context. Applications can access this information directly and decide how to use it - whether that's selecting relevant portions, searching with embeddings, or passing it all to the model.
 
-Each resource has a unique URI (like `file:///path/to/document.md`) and declares its MIME type for appropriate content handling. They declare MIME types for appropriate content handling and support two discovery patterns:
+Each resource has a unique URI (e.g., `file:///path/to/document.md`) and declares its MIME type for appropriate content handling.
+
+Resources support two discovery patterns:
 
 - **Direct Resources** - fixed URIs that point to specific data. Example: `calendar://events/2024` - returns calendar availability for 2024
 - **Resource Templates** - dynamic URIs with parameters for flexible queries. Example: