Merge branch 'issue-884' of github.com:ixcat/datajoint-python into issue-884

Author: Chris Turner

docs-parts/queries/03-Fetch_lang1.rst

@@ -55,7 +55,7 @@ To sort the result, use the ``order_by`` keyword argument.
 
 The ``order_by`` argument can be a string specifying the attribute to sort by. By default the sort is in ascending order. Use ``'attr desc'`` to sort in descending order by attribute ``attr``.  The value can also be a sequence of strings, in which case, the sort performed on all the attributes jointly in the order specified.
 
-The special attribute name ``"KEY"`` represents the primary key attributes in order that they appear in the index. Otherwise, this name can be use as any other argument.
+The special attribute name ``"KEY"`` represents the primary key attributes in order that they appear in the index. Otherwise, this name can be used as any other argument.
 
 If an attribute happens to be an SQL reserved word, it needs to be enclosed in backquotes.  For example
 ...code: python
@@ -70,7 +70,7 @@ For example, one could do the following:
 .. code-block:: python
 
     data = query.fetch(order_by='name', limit=10, offset=5)
-
+Note that an ``offset`` cannot be used without specifying a ``limit`` as well. 
 Usage with Pandas
 ~~~~~~~~~~~~~~~~~