rand.c: Show keyword argument as optional.

diff --git a/rand.c b/rand.c
index d57795a..b662fd5 100644 (file)
--- a/rand.c
+++ b/rand.c
@@ -1483,7 +1483,7 @@ static PyTypeObject bbspriv_pytype_skel = {
     Py_TPFLAGS_BASETYPE,
 
   /* @tp_doc@ */
-"BBSPriv(..., seed = 2]): Blum-Blum-Shub, with private key.\n\
+"BBSPriv(..., [seed = 2]): Blum-Blum-Shub, with private key.\n\
   Keywords: n, p, q; must provide at least two",
 
   0,                                   /* @tp_traverse@ */