docs-parts/queries/03-Fetch_lang1.rst: note offset req's limit

Co-authored-by: Dimitri Yatsenko <[email protected]>

Author: Chris Turner

docs-parts/queries/03-Fetch_lang1.rst

@@ -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
 ~~~~~~~~~~~~~~~~~