diff --git a/agent.py b/agent.py
index 8a4e2a5..04258e1 100644
--- a/agent.py
+++ b/agent.py
@@ -6,7 +6,7 @@
 
 def greet():
     """Return a greeting string."""
-    return "goodbye universe"
+    return "hello world"
 
 
 if __name__ == "__main__":