Update examples doc for converting tests
@@ -203,7 +203,10 @@ system is contacted to gather all related metadata::
nitrate ...... environment, relevancy
In order to fetch data from Nitrate you need to have ``nitrate``
-module installed. You can also use ``--no-nitrate`` to disable
+module installed. For each test case found in nitrate separate
+fmf file is created with metadata unique to that case. Common
+metadata found in all test cases are stored in main.fmf.
+You can also use ``--no-nitrate`` to disable
Nitrate integration. Use ``--no-makefile`` and ``--no-purpose``
switches to disable the other two metadata sources.
