rand.c: Add missing return-value mnemonic in docstring.

diff --git a/rand.c b/rand.c
index 3b5b5c3..2c58e64 100644 (file)
--- a/rand.c
+++ b/rand.c
@@ -1490,7 +1490,7 @@ static PyMethodDef methods[] = {
 #define METHNAME(name) meth_##name
   KWMETH(_BBSPriv_generate,            "\
 generate(NBITS, [event = pgen_nullev], [rng = rand],\n\
-        [nsteps = 0], [seed = 2])")
+        [nsteps = 0], [seed = 2]) -> R")
 #undef METHNAME
   { 0 }
 };