Improve the documentation string.

modules/plugin_dbui/helper.py

@@ -56,10 +56,13 @@ def rows_serializer(rows):
     Handle the general case where field belongs to different
     table and where function can be applied.
     
-        Field are encoded as table_field.
+    Field are encoded as TableField.
     
-        Field with an applied function like COUNT(table.field) 
-        are encoded as table_field_count
+    Field with an applied function like COUNT(table.field) 
+    are encoded as TableFieldCount
+    
+    Return a list of records
+    A record is a dictionary {TableField: value,...}
     
     """
     # Map between column name and TableField