Readme updates

Author: kornrunner

README.md

@@ -18,8 +18,8 @@ use kornrunner\Serializer\HexSignatureSerializer;
 
 $secp256k1 = new Secp256k1();
 
-// return signature contains r and s.
-// message and privateKey are hex string
+// return signature contains r, s and recovery param (v).
+// message and privateKey are hex strings
 $signature = $secp256k1->sign($message, $privateKey);
 
 // get r
@@ -50,11 +50,11 @@ use kornrunner\Secp256k1;
 
 $secp256k1 = new Secp256k1();
 
-// signature was created from sign method.
-// hash and publicKey are hex string
+// signature was created by sign method
+// hash and publicKey are hex strings
 $isVerified = $secp256k1->verify($hash, $signature, $publicKey);
 ```
 
 ## License
 
-MIT
+MIT