diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c
index 2028d96..6eac358 100644
--- a/Objects/unicodeobject.c
+++ b/Objects/unicodeobject.c
@@ -7154,10 +7154,10 @@
 }
 
 PyDoc_STRVAR(join__doc__,
-             "S.join(sequence) -> unicode\n\
+             "S.join(iterable) -> unicode\n\
 \n\
 Return a string which is the concatenation of the strings in the\n\
-sequence.  The separator between elements is S.");
+iterable.  The separator between elements is S.");
 
 static PyObject*
 unicode_join(PyObject *self, PyObject *data)