fixed source citing in relative_score_dist_fusion.ipynb (#14462)

Changed the name of the author from Mazzecchi to Mazzeschi

docs/docs/examples/retrievers/relative_score_dist_fusion.ipynb

@@ -15,7 +15,7 @@
     "\n",
     "In this example, we demonstrate using QueryFusionRetriever with two methods which aim to improve on Reciprocal Rank Fusion:\n",
     "1. Relative Score Fusion ([Weaviate](https://weaviate.io/blog/hybrid-search-fusion-algorithms))\n",
-    "2. Distribution-Based Score Fusion ([Mazzecchi: blog post](https://medium.com/plain-simple-software/distribution-based-score-fusion-dbsf-a-new-approach-to-vector-search-ranking-f87c37488b18))"
+    "2. Distribution-Based Score Fusion ([Mazzeschi: blog post](https://medium.com/plain-simple-software/distribution-based-score-fusion-dbsf-a-new-approach-to-vector-search-ranking-f87c37488b18))"
    ]
   },
   {