Update README.md

Author: electricessence

README.md

@@ -12,7 +12,7 @@ The provided expressive command classes allow for an expressive means to append
 
 Extensions are provied to create commands from connection factories.
 
-### Example
+##### Example
 
 ```cs
 var result = connectionFactory
@@ -55,7 +55,18 @@ In order to keep connection open time to a minimum, some methods cache data befo
 
 Synchronously queries (pulls all the data).  Then using the provided type `T` entity, the data is coerced by which properties intersect with the ones available to the ```IDataReader```.
 
-Optionally a 
+Optionally a field to column override map can be passed as a parameter.  If a column is set as `null` then that field is ignored (not applied to the model).
+
+##### Examples
+
+```cs
+var people = cmd.Results<Person>();
+```
+
+```cs
+// If the database fields don't map exactly.
+var people = cmd.Results<Person>((Field:"FirstName",Column:"first_name"));
+```
 
 #### `Retrieve()` and `RetrieveAsync()`