Merge pull request #1 from JohannesHartmanTR/patch-1

Spelling corrections in README.md

Author: Houndie

README.md

@@ -1,10 +1,10 @@
-# Retrevial Augmented Generation Extensions Sample
+# Retrieval Augmented Generation Extensions Sample
 
 > [!NOTE]
 > Copilot Extensions are in public beta and may be subject to change.
 
 ## Description
-This project is a Go application that demonstrates how to use retrevial augmented generation in an agent-based GitHub Copilot Extension.
+This project is a Go application that demonstrates how to use retrieval augmented generation in an agent-based GitHub Copilot Extension.
 
 ## Prerequisites