diff --git a/crypto/ec/ec_pmeth.c b/crypto/ec/ec_pmeth.c
index d1ed66c37..66ee397d8 100644
--- a/crypto/ec/ec_pmeth.c
+++ b/crypto/ec/ec_pmeth.c
@@ -188,7 +188,7 @@ static int pkey_ec_derive(EVP_PKEY_CTX *ctx, unsigned char *key, size_t *keylen)
 
 	pubkey = EC_KEY_get0_public_key(ctx->peerkey->pkey.ec);
 
-	/* NB: unlike PKS#3 DH, if *outlen is less than maximum size this is
+	/* NB: unlike PKCS#3 DH, if *outlen is less than maximum size this is
 	 * not an error, the result is truncated.
 	 */