fix the alias for the eval tutorial

Author: bilgeyucel

index.toml

@@ -116,7 +116,7 @@ description = "Learn how to evaluate your RAG pipelines using statistical and mo
 level = "intermediate"
 weight = 77
 notebook = "35_Evaluating_RAG_Pipelines.ipynb"
-aliases = ["35_Model_Based_Evaluation_of_RAG_Pipelines"]
+aliases = ["35_model_based_evaluation_of_rag_pipelines"]
 completion_time = "15 min"
 created_at = 2024-02-12
 haystack_2 = true