Merge pull request #397 from adam-risberg/patch-1

Update doc.js

Author: alecgibson

lib/client/doc.js

@@ -43,8 +43,8 @@ var ERROR_CODE = ShareDBError.CODES;
  * - `create (source)` The document was created. That means its type was
  *   set and it has some initial data.
  * - `del (data, source)` Fired after the document is deleted, that is
- *   the data is null. It is passed the data before delteion as an
- *   arguments
+ *   the data is null. It is passed the data before deletion as an
+ *   argument
  * - `load ()` Fired when a new snapshot is ingested from a fetch, subscribe, or query
  */