make text consistent with example (#575)

Author: kingrhoton

030_Data/15_Get.asciidoc

@@ -72,7 +72,7 @@ Content-Length: 83
 ==== Retrieving Part of a Document
 
 By default, a `GET` request((("documents", "retrieving part of"))) will return the whole document, as stored in the
-`_source` field. But perhaps all you are interested in is the `title` field.
+`_source` field. But perhaps all you are interested in are the `title` and `text` fields.
 Individual fields can be ((("fields", "returning individual document fields")))((("_source field", sortas="source field")))requested by using the `_source` parameter. Multiple
 fields can be specified in a comma-separated list: