diff --git a/README.md b/README.md
index 0719ac0..1d0bb91 100644
--- a/README.md
+++ b/README.md
@@ -96,6 +96,8 @@ Course materials for the SOTA-II course.
 ### Group B
 
 ### Group C
+**Topic: RAG enhancement**
+- PDF: [RAG enhancement](week_6/rag_enhancement_1.pdf)
 
 ### Group D
 **Topic: RAG**
diff --git a/week_6/rag_enhancement_1.pdf b/week_6/rag_enhancement_1.pdf
new file mode 100644
index 0000000..66864b5
Binary files /dev/null and b/week_6/rag_enhancement_1.pdf differ