Update retreiver.py

retreiver.py

@@ -28,7 +28,7 @@ from smolagents import Tool
 
 class RetrieverTool(Tool):
     name = "retriever"
-    description = "Uses semantic search to retrieve wikipedia article that could be most relevant to answer your query."
+    description = "Faster than WikipediaSearchTool, it uses semantic search to retrieve wikipedia article that could be most relevant to answer your query."
     inputs = {
         "query": {
             "type": "string",