diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c
index 08e832f..9ea9a88 100644
--- a/Objects/unicodeobject.c
+++ b/Objects/unicodeobject.c
@@ -7729,8 +7729,9 @@
 \n\
 Return a list of the words in S, using sep as the\n\
 delimiter string.  If maxsplit is given, at most maxsplit\n\
-splits are done. If sep is not specified or is None,\n\
-any whitespace string is a separator.");
+splits are done. If sep is not specified or is None, any\n\
+whitespace string is a separator and leading and trailing\n\
+whitespace is stripped before splitting.");
 
 static PyObject*
 unicode_split(PyUnicodeObject *self, PyObject *args)