fix doc issue - closes auth0#213

Author: jfromaniello

README.md

@@ -26,7 +26,7 @@ encoded private key for RSA and ECDSA.
 
 `options`:
 
-* `algorithm` or `alg` (default: `HS256`)
+* `algorithm` (default: `HS256`)
 * `expiresIn`: expressed in seconds or a string describing a time span [rauchg/ms](https://github.com/rauchg/ms.js). Eg: `60`, `"2 days"`, `"10h"`, `"7d"`
 * `notBefore`: expressed in seconds or a string describing a time span [rauchg/ms](https://github.com/rauchg/ms.js). Eg: `60`, `"2 days"`, `"10h"`, `"7d"`
 * `audience`
@@ -52,7 +52,7 @@ Example
 var jwt = require('jsonwebtoken');
 var token = jwt.sign({ foo: 'bar' }, 'shhhhh');
 //backdate a jwt 30 seconds
-var older_token = jwt.sign({ foo: 'bar', iat: Math.floor(Date.now() / 1000) - 30 }, 'shhhhh'); 
+var older_token = jwt.sign({ foo: 'bar', iat: Math.floor(Date.now() / 1000) - 30 }, 'shhhhh');
 
 // sign with RSA SHA256
 var cert = fs.readFileSync('private.key');  // get private key