doc: describe *what* is returned

Return type only description is useless. TODO: update .po
groonga · Jun 12, 2013 · e5b9863 · e5b9863
1 parent 3b6c1c6
commit e5b9863
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/doc/source/reference/functions/query.txt b/doc/source/reference/functions/query.txt
@@ -151,7 +151,9 @@ See :ref:`query-expander` about details.
 Return value
 ------------
 
-``query`` returns a value of boolean (true or false).
+``query`` returns whther any record is matched or not. If one or
+more records are matched, ``true`` is returned. Otherwise, ``false``
+is returned.
 
 TODO
 ----