[nautilus-actions] Update NAIImporter interface documentation

[Pierre Wieser <pwieser src gnome org>]

commit 1228a81e013c4db5ccb490deefd97a45b8a4cf01
Author: Pierre Wieser <pwieser trychlos org>
Date:   Mon Jan 2 07:43:15 2012 +0100

    Update NAIImporter interface documentation

 ChangeLog              |    2 ++
 src/api/na-iimporter.h |    4 ++++
 2 files changed, 6 insertions(+), 0 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index fbc2d33..3280d45 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,7 @@
 2012-01-02 Pierre Wieser <pwieser trychlos org>
 
+	* src/api/na-iimporter.h: Update documentation.
+
 	* m4/na-maintainer-mode.m4: Reverse the sens of deprecation test.
 
 	* configure.ac:
diff --git a/src/api/na-iimporter.h b/src/api/na-iimporter.h
index d6c17f2..625ff66 100644
--- a/src/api/na-iimporter.h
+++ b/src/api/na-iimporter.h
@@ -39,6 +39,10 @@
  *
  * The #NAIImporter interface imports items from the outside world.
  *
+ * Internal Nautilus-Actions code should never directly call a
+ * #NAIImporter interface method, but rather should call the
+ * corresponding na_importer_xxx() function.
+ *
  * <refsect2>
  *  <title>Versions historic</title>
  *  <table>