diff --git a/index.js b/index.js
index c2fdc14d..3564ac21 100644
--- a/index.js
+++ b/index.js
@@ -310,7 +310,7 @@ exports.isValidPrivate = function (privateKey) {
  * Accepts "Ethereum public keys" and SEC1 encoded keys.
  * @method publicToAddress
  * @param {Buffer} pubKey The two points of an uncompressed key, unless sanitize is enabled
- * @param {Boolean} sanitize Accept public keys in other formats
+ * @param {Boolean} [sanitize=false] Accept public keys in other formats
  * @return {Buffer}
  */
 exports.pubToAddress = exports.publicToAddress = function (pubKey, sanitize) {