diff --git a/Lib/filecmp.py b/Lib/filecmp.py
index dd5a2af46d4..e5ad8397e4c 100644
--- a/Lib/filecmp.py
+++ b/Lib/filecmp.py
@@ -36,7 +36,7 @@ def cmp(f1, f2, shallow=True):
     f2 -- Second file name
 
     shallow -- Just check stat signature (do not read the files).
-               defaults to 1.
+               defaults to True.
 
     Return value: