Update app.py

app.py

@@ -222,7 +222,7 @@ async def download_file(request: DownloadRequest):
             
 @app.get("/")
 async def root():
-    return {"message": "Welcome to GAMDL API. Visit /docs for API documentation."}
+    return {"message": "Welcome to testing API. Visit /docs for API documentation."}
 
 @app.get("/test")
 async def test():