diff --git a/Python/sysmodule.c b/Python/sysmodule.c
index 4a46a72..721f77d 100644
--- a/Python/sysmodule.c
+++ b/Python/sysmodule.c
@@ -126,7 +126,7 @@
 PyDoc_STRVAR(displayhook_doc,
 "displayhook(object) -> None\n"
 "\n"
-"Print an object to sys.stdout and also save it in __builtin__._\n"
+"Print an object to sys.stdout and also save it in __builtin__.\n"
 );
 
 static PyObject *