fix: try better descriptions

app.py

@@ -53,7 +53,7 @@ class BasicAgent:
         youtube_transcript_answer_tool = FunctionTool.from_defaults(
             get_youtube_transcript,
             name="get_youtube_transcript",
-            description="Fetches transcript of the given video using youtube_link.",
+            description="Fetches transcript of the given youtube video and returns matching answers based on query. To be called when video link is given.",
         )
 
         def duck_duck_go_search_tool(query: str) -> str:
@@ -79,7 +79,7 @@ class BasicAgent:
         duckduckgo_search_tool = FunctionTool.from_defaults(
                 duck_duck_go_search_tool,
                 name="duck_duck_go_search_tool",
-                description="Searches the web and refines the result into a high-quality answer."
+                description="Searches the web and refines the result into a high-quality answer. Use when other tools don't seem suitable"
             )
         
         def wikipedia_search(query: str) -> str:
@@ -104,7 +104,7 @@ class BasicAgent:
         wikipedia_search_tool = FunctionTool.from_defaults(
                 wikipedia_search,
                 name="wikipedia_search",
-                description="Searches anything on wikipedia and converts results into a high quality answer"
+                description="Searches wikipedia and converts results into a high quality answer."
             )
 
         agent = AgentWorkflow.from_tools_or_functions([duckduckgo_search_tool, youtube_transcript_answer_tool, wikipedia_search_tool], llm=self.llm)