update

diff --git a/doc/crypto/ecdsa.pod b/doc/crypto/ecdsa.pod
index 2a0f412638002d2bff9e56f78bd1d8556e872666..ab3bef07124560f6bb9f941a22dd419a674f688d 100644 (file)
--- a/doc/crypto/ecdsa.pod
+++ b/doc/crypto/ecdsa.pod
@@ -22,7 +22,7 @@ ecdsa - Elliptic Curve Digital Signature Algorithm
  ECDSA_SIG*    ECDSA_do_sign(const unsigned char *dgst, int dgst_len,
                        EC_KEY *eckey);
  int           ECDSA_do_verify(const unsigned char *dgst, int dgst_len,
-                       ECDSA_SIG *sig, EC_KEY* eckey);
+                       const ECDSA_SIG *sig, EC_KEY* eckey);
  int           ECDSA_sign_setup(EC_KEY *eckey, BN_CTX *ctx,
                        BIGNUM **kinv, BIGNUM **rp);
  int           ECDSA_sign(int type, const unsigned char *dgst,