diff --git a/hello.py b/hello.py
index e2db888..daedd87 100644
--- a/hello.py
+++ b/hello.py
@@ -7,7 +7,7 @@ def hello(what):
 
 
 def say_what():
-    return 'world___'
+    return 'world_'
 
 
 def main():