diff --git a/doc/zmq_curve_keypair.txt b/doc/zmq_curve_keypair.txt
index aa714a52..82c13d6c 100644
--- a/doc/zmq_curve_keypair.txt
+++ b/doc/zmq_curve_keypair.txt
@@ -38,7 +38,7 @@ EXAMPLE
 ----
 char public_key [41];
 char secret_key [41];
-int rc = crypto_box_keypair (public_key, secret_key);
+int rc = zmq_curve_keypair (public_key, secret_key);
 assert (rc == 0);
 ----