[rygel] doc: Update a comment

[Jens Georg <jensgeorg src gnome org>]

commit 875f089b07407d81ee12cb286b836ceb7ad89846
Author: Murray Cumming <murrayc murrayc com>
Date:   Tue Jun 26 16:42:34 2012 +0200

    doc: Update a comment

 doc/reference/librygel-core/Makefile.am |    5 ++---
 1 files changed, 2 insertions(+), 3 deletions(-)
---
diff --git a/doc/reference/librygel-core/Makefile.am b/doc/reference/librygel-core/Makefile.am
index 0c946e7..d6eafad 100644
--- a/doc/reference/librygel-core/Makefile.am
+++ b/doc/reference/librygel-core/Makefile.am
@@ -3,9 +3,8 @@ if ENABLE_VALADOC
 include $(top_srcdir)/common.am
 include $(top_srcdir)/src/librygel-core/filelist.am
 
-# TODO: Generate API documentation for LIBRYGEL_CORE_VAPI_SOURCE_FILES,
-# without generating it for the LIBRYGEL_CORE_NONVAPI_SOURCE_FILES files
-# that are also needed by valadoc.
+# Note that LIBRYGEL_CORE_NONVAPI_SOURCE_FILES all (should) use the internal keyword
+# so they are not shown as part of the public API.
 VALA_SOURCE_FILES = $(LIBRYGEL_CORE_VAPI_SOURCE_FILES) \
 		$(LIBRYGEL_CORE_NONVAPI_SOURCE_FILES)