update docs to reflect actual events that are fired from a stream cre…

lib/storage/file.js

@@ -387,17 +387,18 @@ File.prototype.move = function(destination, callback) {
  * //-
  * var fs = require('fs');
  * var myBucket = gcs.bucket('my-bucket');
- * var image = myBucket.file('image.png');
+ * var remoteFile = myBucket.file('image.png');
+ * var localFilename = '/Users/stephen/Photos/image.png';
  *
- * image.createReadStream()
- *   .pipe(fs.createWriteStream('/Users/stephen/Photos/image.png'))
+ * remoteFile.createReadStream()
  *   .on('error', function(err) {})
  *   .on('response', function(response) {
  *     // Server connected and responded with the specified status and headers.
  *    })
  *   .on('complete', function() {
  *     // The file is fully downloaded.
- *   });
+ *   })
+ *   .pipe(fs.createWriteStream(localFilename));
  *
  * //-
  * // To limit the downloaded data to only a byte range, pass an options object.
@@ -407,8 +408,8 @@ File.prototype.move = function(destination, callback) {
  *     start: 10000,
  *     end: 20000
  *   })
- *   .pipe(fs.createWriteStream('/Users/stephen/logfile.txt'))
- *   .on('error', function(err) {});
+ *   .on('error', function(err) {})
+ *   .pipe(fs.createWriteStream('/Users/stephen/logfile.txt'));
  *
  * //-
  * // To read a tail byte range, specify only `options.end` as a negative
@@ -418,8 +419,8 @@ File.prototype.move = function(destination, callback) {
  * logFile.createReadStream({
  *     end: -100
  *   })
- *   .pipe(fs.createWriteStream('/Users/stephen/logfile.txt'))
- *   .on('error', function(err) {});
+ *   .on('error', function(err) {})
+ *   .pipe(fs.createWriteStream('/Users/stephen/logfile.txt'));
  */
 File.prototype.createReadStream = function(options) {
   options = options || {};