update the tutorial content & title

Author: bilgeyucel

index.toml

@@ -231,13 +231,13 @@ dependencies = ["duckduckgo-api-haystack", "docstring-parser"]
 featured = true
 
 [[tutorial]]
-title = "Introduction to Multimodal RAG with Haystack"
-description = "Learn to build a Retrieval-Augmented Generation (RAG) pipeline that can answer questions grounded in both images and text."
+title = "Creating Vision+Text RAG Pipelines"
+description = "Build a multimodal RAG pipeline that can answer questions grounded in both images and text."
 level = "advanced"
 weight = 11
 notebook = "46_Multimodal_RAG.ipynb"
 aliases = []
 completion_time = "20 min"
-created_at = 2025-07-29
+created_at = 2025-08-04
 dependencies = ["pillow", "pypdf", "pypdfium2", "sentence-transformers>=4.1.0"]
 featured = true