fixed typos

lib/contract.js

@@ -38,12 +38,12 @@ var ETH_METHOD_SIGNATURE_LENGTH = 4;
  * var abi = [{
  *      name: 'myMethod',
  *      inputs: [{ name: 'a', type: 'string' }],
- *      outputs: [{name 'd', type: 'string' }]
+ *      outputs: [{name: 'd', type: 'string' }]
  * }];  // contract abi
  *
  * var myContract = web3.eth.contract('0x0123123121', abi); // creation of contract object
  *
- * myContract.myMethod('this is test string param for call').cal(); // myMethod call
+ * myContract.myMethod('this is test string param for call').call(); // myMethod call
  * myContract.myMethod('this is test string param for transact').transact() // myMethod transact
  *
  * @param address - address of the contract, which should be called