NH-3488 - fix a typo in Linq reference.

Author: fredericDelaporte

doc/reference/modules/query_linq.xml

@@ -481,8 +481,8 @@ IList<Cat> oldCats =
     <sect2 id="querylinq-modifying-insert">
       <title>Inserting new entities</title>
       <para>
-        <literal>Insert</literal> method extension expects a queryable defining the date source of the insert.
-        This data can be entities or a projection. Then it allows specifying the target entity type to insert
+        <literal>Insert</literal> method extension expects a queryable defining the data source of the insert.
+        This data can be entities or a projection. Then it allows specifying the target entity type to insert,
         and how to convert source data to those target entities. Two forms of target specification exist.
       </para>
       <para>