fix(tuto): fix tuto

bene2k1 · bene2k1 · commit 824a5debc1c1 · 2024-10-04T13:52:00.000+02:00
diff --git a/tutorials/how-to-implement-rag/index.mdx b/tutorials/how-to-implement-rag/index.mdx
@@ -117,7 +117,7 @@ conn = psycopg2.connect(
 cur = conn.cursor()
    ```
 
-## Embeddings and Vector store setup
+## Embeddings and vector store setup
 
 ### Import required modules
 
