Update README.md

Author: electricessence

README.md

@@ -86,7 +86,7 @@ var people = cmd.Results<Person>(new Dictionary<string,string>{
 
 #### `Retrieve()` and `RetrieveAsync()`
 
-Queues all the data.  Returns a `QueryResult<Queue<object[]>>` containing the requested data and column mappings.  The `.AsDequeueingMappedEnumerable()` extension will iteratively convert the results to dictionaries for ease of access.
+Queues all the data.  Returns a `QueryResult<Queue<object[]>>` containing the requested data and column information.  The `.AsDequeueingMappedEnumerable()` extension will iteratively convert the results to dictionaries for ease of access.
 
 #### `AsSourceBlockAsync<T>()`