fix typo

Author: Arthur Cinader

src/ServerError.js

@@ -10,7 +10,7 @@ import Parse from 'parse';
  * @constructor
  * @param {ErrorCode} code the Parse.Error code
  * @param {String} message will be sent to clients
- * @param {String} serverErrorLog additional information
+ * @param {String} serverLogError additional information
  *                  about the error for logging on the server
  * @param {String} stack the stack trace
  */