doc: fix secp256k1 typos

Author: coolaj86

README.md

@@ -479,7 +479,7 @@ Tx.create({ sign, getPrivateKey });
  * These may or may not be the default options, depending
  * on the library used.
  *
- * We recommend @dashincubator/secp246k1 and @noble/secp246k1.
+ * We recommend @dashincubator/secp256k1 and @noble/secp256k1.
  *
  * @param {Uint8Array} privateKey - an input's corresponding key
  * @param {Uint8Array} txHashBytes - the (not reversed) 2x-sha256-hash

dashtx.js

@@ -392,7 +392,7 @@ var DashTx = ("object" === typeof module && exports) || {};
       }
       if (!hasEntropy) {
         let err = new Error(
-          "secp265k1 implementation does not use signature entropy",
+          "secp256k1 implementation does not use signature entropy",
         );
         Object.assign(err, { code: "E_NO_ENTROPY" });
         throw err;