fix links

Author: crpietschmann

README.md

@@ -4,6 +4,8 @@ Choose one of the following developer guides:
 
 - [Azure Cosmos DB for MongoDB (vCore) + Azure OpenAI Python Developer Guide
 ](/vcore/README.md)
+- [Azure Cosmos DB for NoSQL + DiskANN + Azure OpenAI Python Developer Guide
+](/diskann/README.md)
 
 ## Contributing
 

vcore/README.md

@@ -15,7 +15,7 @@
 1. [Connect the chat user interface with the chatbot API](12_User_Interface/README.md)
 1. [Conclusion](13_Conclusion/README.md)
 
-![Azure Cosmos DB + Azure OpenAI Python Developer Guide Architecture Diagram](06_Provision_Azure_Resources/media/architecture.jpg)
+![Azure Cosmos DB for MongoDB (vCore) + Azure OpenAI Python Developer Guide Architecture Diagram](06_Provision_Azure_Resources/media/architecture.jpg)
 
 ## Contributing